Ustide Hot Pink- Super Soft and Absorbent Memory Foam Bath Mat, 17 By 24-inch Fill is made from 100% polyurethane foam, shell is made from 100% polyester Size: 17"x24" 1 inch thick Middle:memory foam Polyurethane backing Fill is made from 100% polyurethane foam, shell is made from 100% polyester Slip Resistant for safety