The Zinus 8 Inch iCoil Spring and Foam Mattress offers firm support for a better night’s sleep. This innovative mattress features a Fiber Quilted Cover, Comfort Foam, and 7.5 Inch Pocketed Coil Springs. Please open your mattress package within 72 hours of receipt and allow 48 hours for your new mattress to return to its original, plush shape. Worry free 10 year limited warranty. Mattress only, platform bed sold separately.