Avenco 12-in Medium California King Hybrid Memory Foam/Coil Blend Mattress in a Box

12-in Medium California King Hybrid Memory Foam/Coil Blend Mattress in a Box. Cooling technology: Cool and breathable gel-infused memory foam work to offer a temperature-regulated sleep environment.. Pressure relief: 12 inch medium mattresses perfectly contouring to your body's curve from head to toe, relieving your body pain.. Balance: 12 inch hybrid mattresses are engineered to combine both softness and support, offering you personalized comfort.. Easy set-up: Just take it out of the box, unroll it, and wait 48-72 hours for expansion, then you can enjoy it.. Motion isolation: Wrapped innersprings work independently, so they can absorbed motion disturbances from your partner.. Safe materials: We use CertiPUR-US certified foams, OEKO-TEX certified comfort fabric cover, and 10-year warranty is provided.. Available sizes: Full, queen, king and California king mattresses sizes are available for your various needs.