Comfortable mat with built-in pillow ensures comfort while camping. * Free-flow valve allows for easy inflation and deflation, Filled with High Permeability and High-elastic sponge. * PVC, 190T Polyester with PVC coating shell increases durability and weather resistance. * Nice a snap fastener design which can be combined together w/ the other Mat, Compression straps attached for simple transport and storage. * Expand size:72.8L×21.6W×0.98H Inch. Storage size: 28x15cm (11""x5.9"). Lightweight: 2.1 lbs. Accessories: Storage Bag, Manual Instruction.