The Groove tie dye memory foam mattress provides a unique style that will enhance bedroom decor; ideal for children, teens, and guests. Features a 1" open cell memory foam layer, relieving pressure points and encouraging proper spinal alignment. Reflexa foam base is layered below, providing long lasting responsive durability and structure support. CertiPUR-US certified seal of approval, giving you piece of mind knowing that after rigorous laboratory testing they meet standards for contents, emissions, and durability. Medium firm comfort level mattress includes a bright, soft tie dye mattress cover that is removable and machine-washable. The Groove tie dye memory foam mattress is compatible with adjustable base (sold separately) and usable upon unboxing; may have a slight foam smell that will dissipate within a few days and exact pattern of tie-dye print may vary. Mattress expands to full height within 48-72 hours; includes a limited 10 year manufacturer warranty.