SFN 336 9-inch Memory Foam Mattress (CA King) 9-inch Premium Memory Foam Mattress made to order by Sleep Full Nights 3-inch 3lb per cubic foot density memory foam on top of 6 inches of high density base foam 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. Handmade to order in the US. As soon as the 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.