pvc portable inflating mattress 1.waterproof is good 2.roll up iscovient for taking 3.use for in the tent 4.yoga Detailed product description:pvc portable inflating mattress supplier of moistureproof mattress / travel mattress /auto inflating sleeping mattress /waterproof mattress/Features:weterproof, dampproof, moistureproof, automatically inflating just by opening the easy-open, easy-close ...