CSTUR D2250 Thickened Portable Camping Hexagonal Automatic Inflatable Mat Outdoor Picnic Moistureproof Mat, Thickness: 3cm (Khaki)1. Spring spun composite PVC tear proof fabric, no air leakage, built in egg nest high elastic sponge, breathable and quiet 2. Thickened design, sensitive to the human body weight, give a soft fit support, according to the sleeping position and pressure changes to give the depth of support, so that the body naturally stretches 3. Automatic inflatable design, simple and convenient 4. Can be used in conjunction with outdoor hexagonal tent (not included)