Ashley Furniture Signature Design - Sierra Sleep - Mygel Hybrid 1100 Mattress - Traditional Inner Spring King Size Mattress - White HYBRID KING MATTRESS: What better way to combine cooling support and layers of plush comfort than with this mattress? With an easily washable knit cover, you'll be able to enjoy without any hassle GEL MEMORY FOAM: Designed with layers of gel-infused memory foam with a high-density base layer top. The cooling gel technology adds to the superior comfort and luxurious feel COIL SUPPORT: The base, core layer of individually wrapped coils provides added support for a full night's rest KING SIZE: Measures 76 W x 79 D x 11 H to fit on a king size bed frame QUICK SET UP: Simply unpack and place the single mattress on top of your foundation or box spring (sold separately) to instantly enjoy DIRECT FROM THE MANUFACTURER: Ashley Furniture goes the extra mile to package, protect and deliver your purchase in a timely manner BUY WITH CONFIDENCE: Designed and manufactured by Ashley Furniture Industries. The trusted source for stylish furniture, lighting, rugs, accessories and mattresses. For every taste and budget. Since 1945 bunk beds twin desk kids camper daybed futon mattresses