1. Fabrication of high-precision aluminum cover, any liquid spilled when the cleaning is very convenient 2. Environmentally friendly non-toxic waterproof layer of PE film and EPE added aluminum compound made of very solid environmental 3. Material: EPE complex aluminum, double-sided aluminum middle of EPE 4. As to protect the bottom of the tent camping from wear and tear , moisture and anti- soil 5. Tent used as a moisture-proof sleeping pad thickness of 0.3cm put two on
