1,Elastic, durable, indeformable,non-toxic Eco-friendly 2,material: velboa sponge 3,available for washing machine 1, available for washing machine, will not change shape.2,many different colour as fellows3, with extra soft sponge inside4, trial order and small order both are available5, welcome OEM orders 6, Totally customized with different colors and size. can plus your own logo ect comfortable ...