KING MATTRESS: Discover the luxury of this gel memory foam mattress. Bed foundation, box spring and frame sold separately COOLING CONSTRUCTION: Made with copper-infused memory foam and 2 layers of temperature-regulating material. Charcoal-infused memory foam and green tea-infused support foam help block moisture and odor LAYERS OF COMFORT: Contouring foam conforms to your body, delivering amazing support, pressure relief and comfort. Mattress is adjustable base compatible KING SIZE COMFORT: Measures 75" W x 79" D x 14" H. 10-year non-prorated warranty. Purchasing mattress and foundation from two different brands may void warranty; see warranty for details ARRIVES IN A BOX: Simply unbox, cut the protective wrap, unroll and watch the mattress expand. Please allow 48 hours for your mattress to fully expand. State recycling fee may apply