Name: memory foam mattress Size: single, double, queen, king, customerized. Cover: with zipper, washable, durable. graceful. Detailed Description:1)High density memory foam, from 40-100.2)Benefit for your sleep,improve your quality of sleep.3)Very soft and comfortable, sensitive to the temperature and body weight.4)Size: single, double, queen, king, or customerized5)Colors and packages also ...