... mattress has unique quilted top,consisted of Visco-Elastic memory foam 1.Material:Premium memory foam pressure relieving layer2.Available size:Twin,Full,Queen ... quilted top,consisted of a 7.5cm Visco-Elastic memory foam 1.Material:Premium memory foam pressure relieving layer2.Available size:Twin,Full,Queen ... :Vacuum Rolled Packaging and in to carton visco elastic memory foam mattress topper