Experience the perfect balance of comfort and support with our 12" Hybrid Mattress. Featuring a 5-zone pocketed coil system and bamboo charcoal-infused foam, this medium-firm mattress is ideal for all sleep positions. CertiPUR-US® certified materials ensure a safe, pressure-relieving sleep experience, while the convenient bed-in-a-box design makes setup easy. Dimensions: Full : 54 inches wide x 75 inches long x 12 inches thick Queen : 60 inches wide x 80 inches long x 12 inches thick King: 76 inches wide x 80 inches long x 12 inches thick