Quick Summary
The Sailnovo 20 cubic feet car roof bag is a black rooftop storage bag with a stated capacity of 580 litres. It is described as a soft-sided roof bag for cars with roof bars or without a rack, and it comes with reinforced straps, door hooks and a storage bag.
The bag is described as waterproof and as using a waterproof inner layer, a waterproof zip and an extended rain curtain. The stated size is 51 x 39 x 17 inches. Before buying, check vehicle fit, the roof setup and whether the exact size suits the space you need.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Sailnovo. Useful for identifying the exact product range. |
| Product type | Car roof bag / roof storage box. A soft-sided rooftop storage option rather than a hard box. |
| Capacity | 20 cubic feet / 580 L. Check this against the amount of luggage or bulky items you need to carry. |
| Size | 51 x 39 x 17 inches. Make sure the dimensions suit the space on your vehicle roof and the load you plan to carry. |
| Colour | Black. Useful if you want the exact listed finish. |
| Included items | Reinforced straps, door hooks and a storage bag. Check the selected offer matches these contents. |
| Fit note | Described for cars with roof bars or without a rack, but not suitable for sliding door vehicles. |
| Water protection | Described as waterproof, with a waterproof inner layer, waterproof zip and extended rain curtain. |
What to Compare Before Buying
- Capacity: The stated 580 L capacity suits buyers who need more rooftop storage. Compare it with the amount and shape of the items you plan to carry.
- Vehicle fit: This bag is described for vehicles with roof bars or without a rack, but it is not suitable for sliding door vehicles.
- Size: Check the 51 x 39 x 17 inch dimensions against your roof space and loading needs.
- Included fixing parts: Confirm that the selected set includes the straps, door hooks and storage bag if those items matter to your setup.
- Weather protection: The bag is described as waterproof, so confirm that level of protection is right for what you plan to transport in wet weather.
What Else You May Need
If you are fitting the bag to a vehicle roof, check that the roof arrangement on your car matches the stated fitting method. The right setup matters more than appearance alone.
Before You Decide
Confirm the 580 L size, the 51 x 39 x 17 inch dimensions and the exact vehicle fit before choosing an offer. Also check whether you need the included straps and door hooks for your roof setup, and remember that this bag is not suitable for sliding door vehicles.





