53% Viscose, 20% Polyester, 11% Barrier Coating, 11% Fillament Poly, 5% Para Aramid Fiber QUEEN LUXURY CUSHION FIRM MATTRESS: Discover the luxury of this gel memory foam hybrid mattress. Its contouring foam conforms to your body, delivering support, pressure relief and comfort TEMPERATURE REGULATING: Two layers of phase change material keep you comfortable. The pressure-sensitive NanoCoil unit and individually wrapped coil pack help provide a great night's sleep FRESH PERSPECTIVE: Copper-infused memory foam contributes to the cooling performance. Contouring comfort foam and wrapped coils deliver amazing support, pressure relief and comfort DIMENSIONS: Measures 59" W x 79" D x 14" H. Purchasing mattress and foundation from two different brands may void warranty; see warranty for details SHIPS DIRECTLY TO YOUR DOOR: Arrives in a box. Allow 48 hours for your mattress to fully expand after opening. Adjustable base compatible. Made in USA.