10 Best Roof Bags For Cars Without Roof Bars Or Rails in The UK

Last updated on 28/08/2025

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Heavy Duty Universal Car Roof Bag (Without Roof Rack) 432 litres, Waterproof 500D PVC - Ideal Cargo Travel Box for Luggage including Non-slip Mat, Hooks & Lash Straps - 15 Cubic Feet

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Why We Love It

Flexible and spacious storage solution.
Exceptional durability and security.
Convenient installation and storage.

Main Highlights

Versatile Roof Box Storage: Our Heavy Duty Universal Car Roof Bag offers a 432-litre capacity and is made with heavy-duty waterproof materials. No car roof rack required, allowing you to transport your cargo with ease. No roof bars? No problem - just tie the straps straight through the car doors - the perfect roof bag for cars without roof bars.
Uncompromising Durability and Security: Crafted with premium quality 500D PVC tarpaulin fabric and PVC coating on both sides, our roof bag ensures exceptional durability. Thick, wide, triple sewn straps and vice lock clasps securely hold your baggage in place, providing peace of mind during your journey.
Convenient Storage Solution: Unlike traditional roof racks that are permanent fixtures, our car roof waterproof bag offers unmatched convenience. It’s so easy to install - simply place the non-slip protector mat on the roof, secure the bag with the car door hook straps, and tighten the vice lock clasps. A brilliant example of roof bags for cars without roof bars.
Enhanced Accessories Included: Elevate your cargo transportation experience with the additional accessories included. Our soft roof box comes with a non-slip protector mat that offers an added layer of protection for your car roof. You'll also receive 4 car door hook straps and 2 spare orange lashing straps for secure and efficient packing.
Ultimate Travel Companion: As roof bags for cars with roof bars go, this waterproof roof bag does the job of ensuring your belongings stay dry and protected, no matter the weather conditions.

Car Roof Bag, 40 Cubic Feet Large Waterproof Soft-Shell Roof Bag for SUV with/Without Roof Rack, Universal Car Top Luggage Storage Bag

10% OffFree Shipping

Why We Love It

Spacious capacity for family adventures.
Upgraded features ensure extra security.
Waterproof and foldable for convenience.

Main Highlights

40 Cubic Feet Capacity Design: The roof bag measures 72"L×48"W×18"H. It requires minimum 72" roof length and 48" width. Spacious interior accommodates luggage for 8-10 family members or extended adventure gear (Blue)
Upgraded Manufacturing: We have upgraded the roof bag without roof rack through a new construction of the cross straps and combined with heat-welded overlapped seams to triple the cargo carrier's stress level. The reflective trim enhances nighttime visibility for dual-layer journey protection
Waterproof & Soft-shell: Crafted with 900D PVC tarpaulin combined with extra-wide zipper flaps and a security lock, effectively blocking water ingress into the car roof bag. This soft-shell car roof storage is foldable for compact storage
Anti-theft Lock & Anti-slip Mat: Includes 3-digit combination lock to protect your luggage. Also, the anti-slip mat secures the car roof bag more firmly and prevents paint abrasion on car roofs
Universal Application: The roof bag is suitable for any car, truck, SUV with roof rails, roof racks, roof bars or basket. For bare-roof vehicles, you may opt for door hooks (adding anti-scratch pads to protect your door frame paint) to install the roof bag. Please make sure the door weatherstripping can be temporarily removed

Sailnovo Car Roof Box, 580L Car Roof Storage Bag Waterproof Roof Bag for Cars with/without Roof Bars for Travel and Luggage Transport, Cars, Vans, SUVs, Black (1000D)

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Why We Love It

Large 20 cubic feet capacity.
Universal compatibility with cars.
Extremely waterproof and durable.

Main Highlights

20 cubic feet - Designed to solve the problem of limited storage space in your car. That's why capacity is critical! The overall dimensions of the car roof storage are 51in * 39in * 17in, carrying 20 cubic feet. Larger capacity than most brands. Easily carry around 6 people's luggage.
Universal Compatibility - Equipped with 6 door hooks and extra 2 long adjustable straps, the Sailnovo roof rack bag can be used on any size car or SUV, with or without a roof rack. Easy to operate and install in a short time.
Extremely Waterproof and Tear Resistant Material - Made from military grade waterproof material, 1000D PVC tarpaulin, while we lengthen the waterproof curtain and reinforce the waterproof seal. Waterproof and durable roof bag. Protects against wind and dust, rain and snow, and protects property from damage!
The Most Secure Design - 6 reinforced adjustable straps, 2 extra movable long straps, 6 door hooks, help your luggage stay in place even on bumpy highways. With the storage bag, when not in use, the waterproof roof box can be placed in the trunk of the car - extremely space-saving.
100% Satisfaction- 7x24 online customer support, feel free to ask us any questions. 30 days of worry-free refund service and 24 months of free after-sales service.

Marretoo Car Roof Bag, 21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars with Roof Rack/Rails/Bars, includes Anti-Slip Mat

19% OffFree Shipping

Why We Love It

Ultra-durable and weather-resistant design.
Ample storage for long trips.
Easy installation and accessibility.

Main Highlights

【840D WATEARPROOF MATERIAL】 Made with Heavy-Duty 840D abrasion-resistant tearproof PVC fabric，This 840D PVC fabric material is 1 to 2times stronger than 700D PVC fabric, which most other rooftop bags adopts and can easily rip，This ultra-durable car roof cargo carrier can easily cope with all kinds of bad weather and long-distance travel
【SUPER WATERPROOF DESIGN】 Made of 100% waterproof material, the waterproof effect of our vehicle cargo carriers will exceed your expectations. It includes waterproof zippers with openings on both sides, widened waterproof flaps, waterproof straps and reinforced seams. To best protect your roof top cargo bag from water penetration
【EXTRA LARGE 21 CUBIC FEET】 L52" x W39.5" x H17.5" (594L) Large space for all luggage of 5-7 people, suitable for family long-distance travel，Partial reflective strips are used to make driving at night safer and make your car roof look more personalized
【EASY to INSTALL and OPEN on BOTH SIDES】-The roof top carrier bag is designed with 8 straps, which can be easily fixed to any car in just a few minutes. The open design on both sides makes it easier to put the roof bag on the car. Loading and unloading cargo after topping
【YOU WILL RECEIVE】1* Marretoo 21 Cubic Feet Heavy-Duty Roof Cargo Bag, 1* storage bag, 1* anti-slip mat, 6* door hooks, 2* extra luggage straps. 2* Password Lock and our friendly customer service. if the car roof bag fails, we will replace or refund as you want

Sailnovo Roof Box Roof Bag 580L/20 Cubic Waterproof Car Roof Bag with 6 Door hooks, Soft-Shell Large Roof Cargo Carrier Bags for Cars without/with Roof Bars/Rack/Rails, Black

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Why We Love It

Large capacity for travel needs.
Fits all car types.
Waterproof and tearproof.

Main Highlights

【Large Capacity】For travel lovers in need of more storage than is offered by a car’s interior, Sailnovo roof box can solve common overflow challenges that occur when packing for a camping trip, cross-country travels. Its 20 cubic feet allows you to easily hold 4-6 large travel luggage suitcases, tents, sleeping bags, and soft material allows for storage of awkwardly shaped items. （51''x39''x17'')
【Fit All Cars】The roof bag is very versatile and flexible and can be used with all types of vehicles, such as side rails, cross bars, or even without a roof/luggage rack. We offer 6 door hooks for easy connection to a vehicle’s roof in minutes.(50''x40''x18'').
【Waterproof】Car roof bag is outfitted with extended flap, waterproof dual seam technology, double coating, upgraded zipper and fitted it with a wider sizeable flap to ensure maximum watertight and keep your items dry!
【Tearproof】Our car roof box waterproof constructed from soft-shell fabric materials that have triple-layer high-density 1000D, which is 2 times stronger than 500D fabric. To prevent tearing at the strap seams, we double-reinforced the strap seams.
【Foldable】Easy and quick installation with plenty of storage. Roof bags for cars can be folded up and stored in the storage carrying bag that comes with it. Once folded, it’s about the same size as a smaller backpack, and takes up minimal space when not in use!

bagmate Military-Grade Waterproof Roof Bag - Rooftop Cargo Carrier – XXL 23 Cubic Feet. with 4 Door Hooks, Zipper/Buckle Closure, Extra Strap – Black Roof Bag for Cars with or Without Rack

39% OffFree Shipping

Why We Love It

XXL size holds more stuff.
Triple protection against weather.
High-quality durable materials throughout.

Main Highlights

WE AT BAGMATE LIKE THEM BIG. XXL BIG. As far as vehicle cargo carriers go, our BagMate aerodynamic rooftop cargo carrier is a pure convenience. Make your travel checklist as long as you need it to be: our spacious 23 cubic feet roof bag can hold up to 8 suitcases. And, just when you think you hit the limit, the handy detachable straps come off to create even more room on top of your cargo bag for some more of your stuff. Pretty neat, don't you think?
ENSURE YOUR TRAVEL GOES SMOOTHLY. Your safety is our number one priority, so we took special care designing our car top carrier to guarantee you smooth sailing. Extremely durable, the bag has heavy-duty straps and safe-to-use door hooks. Some vehicle cargo carriers are fastened with straps that go inside the car, but that could be quite dangerous because they can prevent airbags from opening properly. Our high-quality cargo carrier bag with reliable equipment will ensure you travel safely.
THERE IS NO BAD WEATHER FOR BAGMATE CARGO CARRIER. We didn't just make our cartop carrier waterproof, we gave it triple protection! Made from military-grade fabric with thick PVC coating, a waterproof SBS zipper and zipper covers with hook and loop fasteners, this cargo carrier can withstand virtually any weather conditions. Rain, snow, even the hot Texas sun will not damage your trusty BagMate car roof bag. 100% waterproof, UV-protected, always ready to go!
EXTREMELY DURABLE ROOF CARGO BAG FOR ANY VEHICLE WITH A ROOF. BagMate car top carrier roof bag is suitable for all kinds of cars. You can use BagMate as a roof rack bag, tie it to your rails, or use our safe and easy-to-use door hooks to fasten it directly to the car. Every part of the bag is made from extremely durable materials. The SBS double zipper is nearly indestructible and, along with the UTX POM buckles, will ensure your luggage stays put for the duration of your travels.
WE'LL MAKE THE DEAL EVEN SWEETER by giving you a 2-year warranty on your top-notch BagMate car cargo carrier. You won't need it though because this roof cargo carrier is highly durable! Keep this foldable bag stored away until you need it, and then it will follow you anywhere in any conditions, keeping your roof cargo safe and secure. You won't find a better and more trustworthy companion for your travels. Order now and get a protective rooftop mat for free as a nice bonus!

Signstek Car Roof Bag,21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Soft Rooftop Luggage Storage Box for Any Cars With/Without Roof Rack/Rails/Bars

19% OffFree Shipping

Why We Love It

Ultra-durable for long journeys.
Superior waterproof design.
Extra-large flexible storage.

Main Highlights

【High-Density Waterproof Material】This is a Car Roof Bag.Made of heavy-duty wear-resistant and tear-resistant PVC fabric, this PVC fabric material is 1 to 2 times stronger than the 700D PVC fabric used in most other roof bags. This ultra-durable roof bag can easily handle all kinds of bad weather and long-distance travel.
【Super Waterproof Design】Made of waterproof material, the waterproof effect of our roof bag will exceed your expectation. It includes waterproof zippers that open on both sides, a widened waterproof flap and reinforced seams. Helps keep your items dry.
【Extra Large 21 Cubic Feet】- 52"L x 39.5"W x 17.5"H roof luggage bag provides you with plenty of storage space, unlike hard roof racks that are difficult to accommodate odd-shaped items, our product has a soft The sides can be bent to fit them.
【Easy to Install and Open on Both Sides】- We provide 8 reinforced straps with heavy-duty buckles, which can be easily fixed to any car in just a few minutes. No matter what your car is, this roof rack can be installed without a roof rack.
【Thoughtful Design】No need to deal with bulky hard shell roof rack bags. Our product can be compactly folded into a small size, allowing you to easily store it in the trunk of your car or in a storage bag, saving space. Maintaining it couldn't be easier: all it needs is an occasional wipe down.

BOYUJK Roof Bag 20 Cubic/566 L, Waterproof Car Roof Bag no Rack Needed, Car Roof Box with Anti-Slip Mat and 6 Heavy-Duty Straps, Folding Soft Roof Bag for Cars with/Without Rack（ Orange 566L ）

25% OffFree Shipping

Why We Love It

High-quality weatherproof material.
Secure and stable design.
Adds huge storage space.

Main Highlights

[ All-Weather Quality Material ] BOYUJK roof bag adopts a high-density PVC double waterproof coating, a two-way waterproof zipper design and widened 10cm zipper flap can effectively keep the items inside away from dampness, Keeping your luggage clean and tidy. It also can completely resist bad weather, such as sand, rain, heavy snow, and storm.
[ High Stability & Security ] The anti-slip mat can keep your luggage in place without moving around and protect your car roof from scratches at the same time. With 6 door hooks and 10 reinforced straps, the roofing cargo carrier can be installed firmly on cars with or without racks, cross bars or basket on the top seams help the bag remain stable even on the high-speed road or bump road. Furthermore, we are also equipped with a combination lock, the zippers can be padlocked for added security.
[ Creating Large Spaces for Travel ] BOYUJK roof bag can easily accommodate all travel luggage for 5-7 people, increase the load space of the vehicle, 20 cubic feet of storage space,You can store suitcases, luggage, tents, sleeping bags, etc, which can be easily used, making the space in the car more spacious and comfortable. When you don't need it, the roof bag can be easily folded and stored in a drawstring bag to save space, making it a premium journey essential.
[ Suitable for All vehicles ] BOYUJK roof bag is suitable for all cars with or without luggage racks, such as SUVs, vans, sedans, and jeeps. You can take your luggage to the park, beach, sports field, or anywhere you need storage, and it installs easily in minutes, no tools required. Our roof packs help you and your family enjoy a comfortable holiday.
[An Excellent Choice] BOYUJK car roof box provides high-quality consulting services, ensuring your complete peace of mind and exceptional value. Whether for long trips or short camping excursions, our car roof box can instantly increase the cargo space for your car and RV, allowing you to hit the road immediately. With easy installation and stylish appearance, our car roof box is the best choice for your travels. Enjoy more space and make every journey more comfortable and enjoyable.

GEARCELL Car Roof Bag, 21 Cubic Feet Large Roofing Cargo Carrier Bags Waterproof Storage Box All Cars with/Without Racks Includes Anti-Slip Mat Combination Lock 6 Door Hooks

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Why We Love It

Fits any vehicle type.
Ample space for travel gear.
Durable, water-resistant, and secure.

Main Highlights

【Fit All Cars】 With the reliable and adjustable straps, the roof bag is versatile. Our rooftop luggage carrier perfectly suitable for any car, truck, or SUV with Side Rails/Cross Bars/BASKET/TRAY or without track
【Large Capacity-21 Cubic ft】 21 Cubic feet rooftop cargo carrier bag allows you to hold 6 suitcases, travel luggage case, tents, sleeping bags, beach chairs, bedding and so much more, which can free up some space in the back of the car and make your journey more comfortable. Perfect for cross travel & family road trip or adventure
【Waterproof & Anti-tear】: Car Roof Bag is constructed with heavy-duty 840D abrasion-resistant PVC fabric,double-layer rain cover and using seamless hot press technology, which not easy to ripped on the body and seam. This weather-resistant UV-protected fabric has UV inhibitors to help protect and improve fade resistance and tear resistant. Make your journey more enjoyable and secure
【Upgraded Aerodynamic & Safe design】: The curved and arch shaped design make the roof luggage carrier bag mostly aerodynamic to reduce noise, fuel loss and risk of ripping by the wind, also keep the cargo bag more stable while driving. The combination lock offer extra safety to your roof bag when parking overnight. And the non-slip pad to protect your vehicle's finish from abrasion and keep the cargo bag in place
【Easy to Install & Storage】: It can be quickly and easily installed to roof in minutes with door hooks or installed with rack directly. We provide a sturdy storage bag (15" x 11" x 5") for easy storage and portability. If you have any questions,feel free to contact us, we will reply you within 24 hours

Car Roof Storage Bag Waterproof - 425 Litres (15 Cubic Feet) Rooftop Cargo Bag with 2 Extra Heavy Duty Straps Fits all Cars

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Why We Love It

Durable and waterproof design.
Increases vehicle cargo space.
Enhanced theft protection system.

Main Highlights

♥️【WATERPROOF & LONG-LAST】 2 kinds of protective measures,the roof rack bag made by the 500D folder grid after high-frequency pressing from refining into a dense and compact surface, more durable and waterproof, coupled with invisible zipper well-designed magic stickers,protecting your luggage against rain, grit, snow, wind and sun.
♥️【INCREASES SPACE】15 cubic feet and 39x35.5x16.5in large capacity top bag, convenient for managing and storing your luggage,increasing vehicle cargo space on all standard vehicles,enjoy a comfortable and pleasant travel!
♥️【WATERPROOF & LONG-LAST】 2 kinds of protective measures,the roof rack bag made by the 500D folder grid after high-frequency pressing from refining into a dense and compact surface, more durable and waterproof, coupled with invisible zipper well-designed magic stickers,protecting your luggage against rain, grit, snow, wind and sun.
♥️【STRAP'S SECURITY DESIGNED】Equipped with a metal buckle on the strap to solve the problem of moving back and forth during driving，making you feel more comfortable when driving.In addition, the straps pass through the car door and is installed inside the car to prevent theft.
♥️【AFTER-SALES SERVICE】AUPERTO is committed to provide Prompt and Excellent After-sales Service, have any questions, feel free to message us, 100% service and 100% satisfaction.

8.7

Excellent

We scanned 815 products

We reviewed these offers relevant to the Roof Bags For Cars Without Roof Bars Or Rails within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Bramble, MCBD, Sailnovo, Marretoo, bagmate, Signstek, BOYUJK, GEARCELL, AUPERTO, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Roof Bags For Cars Without Roof Bars Or Rails in the market, we considered we took a deep dive into 4076 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Heavy Duty Universal Car Roof Bag (Without Roof Rack) 432 litres, Waterproof 500D PVC - Ideal Cargo Travel Box for Luggage including Non-slip Mat, Hooks & Lash Straps - 15 Cubic Feet. We love many things about this product by Bramble. What sets it apart from the competition is Flexible and spacious storage solution, Exceptional durability and security, Convenient installation and storage.
The best value product for most shoppers and where user satisfaction is continuously the highest is Car Roof Bag, 40 Cubic Feet Large Waterproof Soft-Shell Roof Bag for SUV with/Without Roof Rack, Universal Car Top Luggage Storage Bag by MCBD based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Roof Bags For Cars Without Roof Bars Or Rails and the best cost-to-value ratio is bagmate Military-Grade Waterproof Roof Bag - Rooftop Cargo Carrier – XXL 23 Cubic Feet. with 4 Door Hooks, Zipper/Buckle Closure, Extra Strap – Black Roof Bag for Cars with or Without Rackat bagmate with a 39% discount.
Our list of the best Roof Bags For Cars Without Roof Bars Or Rails is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Roof Bags For Cars Without Roof Bars Or Rails in The UK

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We scanned 815 products

We concluded that: