SFN 537 10-inch Memory Foam Mattress (CA King) 10-Inch Premium Mattress made to order by Sleep Full Nights 3-inch 5lb per cubic foot density memory foam on top of 7 inches of polyurethane base foam make this one of the best component pairings on the market. Every mattress deserves the finest qualtiy cover, so that's exactly what we do. They're ultra-soft, double-knit, and breathable for the highest comfort possible. Hand-made to order in the US. As soon as your order is received, it will go into the production queue. This will ensure it is made fresh and will minimize the amount of time it spends compressed, which will increase long term resiliency and significantly decrease new mattress smell. Free Shipping to the contiguous United States. You'll receive a confirmation email when your new mattress has shipped with tracking information so you can follow the mattress' journey to you.