The LulaaBED 12" Soft and Firm Flippable Gel-Infused Premium Memory Foam Mattress is a 2-in-1 mattress allowing you to switch the comfort feel by simply turning it over. Each sleep surface of the mattress was thoughtfully designed with gel memory foam to dissipate heat and allow air to travel throughout for a comfortable night’s sleep. Not only does the patented Edge Support System reinforce the sides of the mattress, but it also increases the sleeping surface by 20% and improves the longevity of the product. Rest assured knowing your new LulaaBED mattress is backed by a 10-year warranty, is CertiPUR Certified and the memory foam is inherently hypoallergenic, antimicrobial and includes a zip-off cover for easy machine washing-a great bonus for allergy sufferers. LulaaBED 12" Soft and Firm Flippable Gel-Infused Premium Memory Foam Mattress features: 2" Gel Memory Foam: gel combined with memory foam contains cooling properties that dissipate heat and contour to the body 1" Gel Swirl Memory Foam 6" Air Channel Base 1" grooves are cut to circulate air while releasing absorbed heat 3" Gel Memory Foam Soft & Firm comfort rating: best for back, stomach and side sleepers Flippable two-sided mattress for multiple comfort levels Patented Edge Support System provides a stable sitting edge, 20% more sleeping surface and extends the life of the mattress Machine washable zip-off cover allows for added cleanliness; great for allergy sufferers