Camping Folding Mat 4-Zone XPE Foam Pad Moisture-proof Elasticity Cushion Travel Hiking Picnic Anti-dirty Seat Outdoor Tool Function: - Moisture-proof pad has three functions, one is moisture-proof, the other is sunscreen, and the third is waterproof and wash-free Advantages:Lightweight. It is convenient to carry and easy to fold. Features: - Good elasticity - moisture-proof - honeycomb design - comfortable to sit on, light weight, small size, easy to fold. Specification Material:Chemically cross-linked foam, referred to as XPE in China Color:7Colors Weight:About 30g Expand Size:39*27*0.9CM (thickness not including protrusions) 39*27*1.8CM (including the thickness of the protrusion) Folded Size:27*9.5*4CM (not including the thickness of the protrusion) Note: Regarding the thickness, due to temperature and other reasons, the thickness of the different colors of the cushion will be different, and the thickness of the same color of different batches will also be different. Not all have the same thickness, you must understand.