Signature sleep gold series certipur-us 6" memory foam mattress, multiple sizes: unique basket weave design mattress cover soft cover is made of polyester 1.5'' memory foam 2.5 lb, 9ild 4.5'' high density foam 1.5 lb, 20 ild memory foam reacts to body heat and pressure and molds to the body's natural shape, thus evenly distributing body weight and alleviating unnecessary pressure on joints. It then returns to its original shape once you remove the pressure. comes with a microban cover that provides and added level of antimicrobial protection foam in this mattress is made without pbdes, tdcpp or tcep (“tris”) flame retardants, ozone depleters, mercury, lead and heavy metals. Low in voc emissions for indoor air quality (less than 0.5 parts per million). this mattress meets federal flammability standard 16 cfr 1633 available in twin, twin xl, full, queen and king size available in 6”, 8”, 10”, 12” full mattress dimensions: 75"l x 54"w x 6"h made without phthalates regulated by the consumer safety product commission.