【Cost effective: 】The roof bag is made of 1000D waterproof high quality material with strong stitching; Foldable for compact storage; You don't have to spend as much money as buying a roof box, but you have a bag with all the features of a roof box. 【Large Capacity & Foldable: 】The overall size of the roof bag is 130cm x 100cm x 45cm, Folded size: 38cm x 25cm x 12cm, carry 20 cubic feet of essentials. The soft material makes it foldable and packed in a bag, then you can put it in the car. 【Waterproof and robust:】The roof bag is equipped with an oversized zipper with flaps for water repellency and light-resistant, keeps your things dry and protected from dirt, rain, sun, wind and snow. More capacity, more robust, more fun to travel! 【Easy to install: 】The roof box is equipped with 2 built-in fastening straps and 6 additional straps with buckles to avoid any sagging for a secure fit and the roof bag can be installed in just a few minutes! 【Travel】Our foldable roof box is for your family outing, road trips, weekend adventures, luggage transport or vacation travel this summer! If you have any problems with the roof box, please feel free to contact us!