【LARGE CARRYING CAPACITY】Rooftop Cargo Carrier Bag has a large capacity, measuring 51 inches (length) X 39 inches (width) X 17 inches (height), with a storage capacity of 20 cubic feet, which can accommodate 4-5 suitcases, travel suitcases, camping tents, sleeping bags, etc. 【 SAFETY COMES FIRST】The attached Velcro cover is designed to reflect all directions, improving visibility at night. At the same time, the car roof bag cargo carrier is equipped with 10 waterproof stickers to avoid water leaks. 【SECURE&SAFE】Equipped with heavy-duty buckles, reliable waterproof zippers, sturdy door hooks, and reinforced dual stitching, this rooftop cargo carrier ensures durability, secure fixation for all your travel needs. 【HOW TO INSTALL CAR ROOF BAG?】Car roof cargo carrier can be installed easy to operate and install in a short time. The zipper head design and safety lock Anti-Slip Mats has also been updated to better secure your luggage. 【FOR MOST CAR】Are you struggling to pack for your family trip？20 cubic feet Bag roof bag saves you more space in your car. Easily carry around 4 people's luggage. Roof racks, no roof racks, and car rooftop cargo carriers are available for most size sedan or SUV (NOTE: Sliding door is not applicable) 【PACKAGE】What will you get? 6 x door hooks (non-slip leather),1 x Safety lock,1x anti-slip mat,1x manual,1x roof bag organizer (drawstring),1x door hook storage bag,1 x 20cubic feet roof bag. For a better experience:(1).please try to fill the roof bag with enough items to avoid water pooling on the roof due to an unfilled bag.(2)Please note: Not recommended for vehicles with sunroofs (no roof basket) Sailnovo Car Roof Cargo Carrier Upgrade Waterproof Cargo Roof Bag for All Vehicles with/Without Roof Rack with Tie-Down Strap, Anti-Slip Mat,6 Door Hooks, Storage Bag（Black） 【Sailnovo rooftop cargo carrier】Upgrade Version Made of upgrade hard-wearing and cold-resistant PVC material, Reinforced weld upgrades make the car roof bag less hard to tear for years to come. 【Three-layer Waterproof】While the car roof cargo carrier bag is already weather-resistant,the additional velcro-cover design protects from hard rain and visibility at night thanks to its all-over reflectivity.We widened and upgraded the 10 waterproof sticker fit design. 【For All Car】Are you struggling to pack for your family trip？20 cubic feet Bag roof bag saves you more space in your car. Easily carry around 6 people's luggage. Roof racks, no roof racks, the car Rooftop Cargo carriers are available for any size Sedan or SUV. 【How to install roof bag?】 Car roof cargo carrier can be installed in less than 8 minutes. Easy to operate and install in a short time. We have 10 safety straps for extra strength and security. The zipper head design and included safety lock has also been updated to better secure your luggage. 【Package】What you will get? 6 x door hooks (non-slip leather),1 x Safety lock,1x anti-slip mat,1x manual,1x roof bag organizer (drawstring),1x door hook storage bag,1 x 21 cubic foot roof bag