Southern Enterprises 12" myCloud Cirrus Gel Memory Foam Mattress, King, White with Navy and Sky Blue Ventilation-pierced gel memory foam for a cooler night's sleep: 1.5" gel memory foam w/ 1 quilted top, 1.5" select medium density memory foam, 8" high density support foam Cloud-puff stretch knit cover with cloud corner accents and sateen trim, Non-skid bottom 8 Base foam: 1.87 Pound Density, 1.5 Memory foam: 3.4 Pound Density, 1.5 Gel memory foam: 3 Pound density; Dimensions: 76" W x 80" D x 12" H (King) Cover is not removable. Spot treat cover with mild detergent; do not machine wash or dry. Use a mattress protector to avoid stains. Rotate your mattress every 2-3 months Constructed of Poly-base foam, medium density select memory foam, Cool Cloud gel-infused memory foam, polyester, cotton. White w/ navy and sky blue