Comes with a manufacturer Lifetime Warranty and satisfaction guarantee. The revolutionary "Reflex" foam polymer cushioning provides one with unmatched comfort, plushness, exceptional durability, outstanding resilience and improved pressure distribution. REFLEX is manufactured by an environmentally friendly process without the use of ozone depleting CFC's and is 100% recyclable. It's a totally new type of cushioning that won't sag, droop or go flat. A Mattress made with 100% "REFLEX POLYMER CUSHIONING". "Reflex Polymer Cushioning" is manufactured by means of a "Green Process" which eliminates ozone depleting CFC's. Reflex mattress can be used with box spring. Edge Supports. Outer layer or softness to an inner layer of support. Innerspring like design Consistent support throughout Lifetime warranty.