The “best” carrier depends on how you travel and your vehicle. Soft rooftop bags are popular because they’re lightweight, fold for easy storage, and many offer water-resistant or waterproof materials (like PVC or heavy-duty fabric). Consider:

• Capacity: Sizes often range from about 10 to 25 cubic feet.
• Weather protection: Look for sealed zippers and protective flaps.
• Fit: Some attach to roof racks; others include door hooks for cars without racks.
• Stability: Anti-slip mats and reinforced straps can help reduce shifting.
• Security: Integrated locks or lockable zipper pulls add deterrence.

On Walmart.com, you can filter by capacity and features to match your needs.

Laws vary by state and municipality, so it’s a good idea to check local regulations before you go. Generally, you’ll want to follow safe-load guidelines:

• Secure the load: Use all straps/door hooks provided and test for movement.
• Stay within limits: Don’t exceed your vehicle’s roof weight rating (see your owner’s manual).
• Keep visibility clear: Don’t block windows, mirrors, or your license plate.
• Mind size: Avoid excessive overhangs and keep the profile as low as practical.
• Recheck often: Stop periodically to retighten straps.

These practices can help you travel more safely, but requirements can differ by location.

You’ll typically see three common styles:

• Soft rooftop bags: Flexible, foldable storage that’s great when you want extra space only when you need it. Many fit vehicles with or without a roof rack and offer weatherproof designs.
• Hard-shell cargo boxes: Rigid, lockable storage mounted to crossbars. These often provide structured protection and consistent shape.
• Roof rack baskets: Open metal platforms that carry gear directly or pair with a soft bag for weather protection.

Soft bags are a go-to for convenience and easy storage, while boxes and baskets can be helpful for specific gear or frequent use. Choose based on capacity, weather needs, and your vehicle setup.

The best setup depends on your vehicle and the carrier you choose. Many soft rooftop bags work with existing crossbars or side rails, and lots also include door hooks for cars without racks.

• With a rack: Confirm your crossbar spacing and weight rating match the bag’s footprint and your cargo.
• Without a rack: Look for carriers labeled “fits with/without rack,” ideally with an anti-slip mat to help protect the roof and reduce movement.
• Attachment points: Use all straps and anchor locations as directed by the carrier’s instructions.

Checking your owner’s manual for roof load limits is a smart starting point.

Installation is fairly straightforward. These steps can help, but always follow your bag’s instructions:

1. Clean the roof surface.
2. Lay down the anti-slip mat (if included).
3. Position the bag centered and forward for balance.
4. Pack items evenly; place heavier ones low and centered.
5. Close the zipper fully and secure any protective flap.
6. Attach straps to the roof rack or use door hooks if your car has no rack.
7. Tighten straps gradually, then tuck away loose ends.
8. Do a firm tug test and recheck after the first few miles.

Periodic checks during your trip can help maintain a secure setup.