Signature Design by Ashley California King Mattress - Ultra Plush 12 Inch Hybrid in a Box

Comfort level: ultra plush 12 Inch hybrid California king size mattress High-density gel memory foam for lumbar support High-density quilt foam for support and comfort High-density base support foam for added stability Power-packed wrapped coil unit with Ashley Edge to minimize motion transfer and increase support 10-year non-prorated warranty, CertiPur-US certified, adjustable base compatible Foundation/box spring available, sold separately State recycling fee may apply