The Air-Topper CAP56 was designed to fit cab level in a sleek look for truck beds 5'5 to 5'8 like F150 Short Bed (2021-PRESENT), GM Sierra, Chevy Silverado, Dodge RAM The Air-Topper eliminates installation and storage hassle providing a versatile shell for your truck lifestyle. When you don’t need it, deflate, roll up, and store in the closet or garage. Tool-less installation for an easy set up, the topper comes with everything you need to get inflated, and get going. Using rugged military grade PVC material to coat the durable drop-stitch material, the FLATED Air-Topper is engineered to withstand the harshest of conditions at any speed.