Luna Double Sided Firm MattressExperience maximum comfort and support with the Rock Double-Sided Firm Mattress. Its fire retardant fiber woven into the top panel and border provides safety and firmness while 2-sided lumbar gel foam ensures superior cushioning. Feel the superior support of its innerspring construction and restorative sleep night after night. A sleep essential that guarantees sweet dreams!Mattress Highlights: Comfort- Medium 3” Firm Foam rails 2” foam Enclosing 2 Sided Lumbar Gel foam 360-Degree Foam Encase Edge Support 2” High-Density Firm Topper 15 Year Warranty Foundation/box spring sold separately Twin Mattress Full Mattress Queen Mattress King Mattress