This is cushion mat made by IXPE, and it may use indoor or outdoor. it is softness when you are seat or knee on. The IXPE cushion mat made by IXPE, the IXPE foam has closed pore structure, and the IXPE foam has smooth suface,when you seat or knee on it, it will softness enough to protect you from hurt, especially for children, it will keep them safe when know down the layer. the IXPE cushion mat ...