At Sleep Master, your sleep and the quality of your bedding our top concerns. We understand sleep and know you value comfort & convenience. When you see Sleep Master, you know that it is the best source for the highest quality bedding at the very best prices for your budget. 12-inch Sleep Master Gel memory foam mattress provides an invigorating comfort for restorative sleep. The Sleep Master Gel mattress includes a Sleep cool layering system of 2.5-inch Gel memory foam, 1-inch premium 3lb memory foam, 3-inch of Pressure Relief Foam, and a base support layer of 5.5-inch high density foam to provide long lasting durability and stability. Make the best comfort decision for your sleep with Gel. Sleep Master introduces an innovative premium memory foam that sleeps cooler. Infused with refreshing gel, it provides you with coolness and ultimate support. Sleep Master Gel is an open cell memory foam with thousands of gel beads for better air flow movement while providing a customized level of support. Combined with our Pressure Relief system, you will enjoy total relaxation, while having the ultimate support in key body parts; head, shoulders, and hips. You will awaken feeling refreshed, enjoy your sleep with Gel..sleep cool, sleep smart, sleep well.