our gel can give you cosier and longer cool feeling, as well as non-toxic, no residue or corrosivity. ... 85%, thus our gel can give you cosier and longer cool feeling, as well as non-toxic, no residue or corrosivity ... matter sit or lie on it , it’s comfortable and cool without any deformation.Have good toughness and elasticity,so dose ... mats……or as gift ,since it has high quality ......... cool pillow