LOGOS Tent-Perfect Waterproof Mat XL Used only once inside the inner tent for sleeping. Please note that there may be minor dirt and folding wrinkles as it was used outdoors. Size: (approx.) Width 260 x Depth 260cm Storage size: (approx.) Diameter 28 x Length 50cm Material: [Surface] Breathable polyester [Inside] Foamed polyurethane [Back] PVC sheet The surface is a polyester fabric that is easy to wipe clean, the inside is foamed polyurethane that softens the cold from the ground, and the back is a PVC sheet that blocks moisture. With moderate cushioning and breathability, for a comfortable tent life.