Brand new and factory sealed. Sleep Cool Layering System: 2.5" gel-infused memory foam, 1" memory foam, 3" pressure-relieving comfort foam 5.5" high-density base support foam provides long lasting durability and stability Foam is CertiPUR-US® certified for durability, performance, and content Our patented technology allows our mattresses to be efficiently compressed, rolled and shipped in a box conveniently to your door Proven to help you fall asleep faster and sleep more soundly Assembled Size Mattress (inches L x W x H): Twin: 75 x 39 x 12 Full: 75 x 54 x 12 Queen: 80 x 60 x 12 King: 80 x 76 x 12 Warranty Mattress - 10 year prorated limited warranty covers manufacturing defects Frames/Bases/Foundations - 5 year prorated limited warranty covers manufacturing defects Component country Imported Assembled country China