HYBRID DESIGN FOR UNDISTURBED SLEEP: The pocket coils move independently, and the foam layers help absorb movement to reduce motion transfer. Novilla full size mattress provides a quiet and peaceful sleep experience. The 12 inch full mattress has enhanced edge support, so that you'll not slip off the hybrid foam mattress when sleeping on the edge. BALANCE SUPPORT WITH MEDIUM FIRMNESS:The coil and foam design allows the Groove Hybrid Mattress to achieve a harmonious blend of comfort and support. They work in a unsion to provide needed comfort and gently conform to the shape of your body. Whether you are a side, back, or stomach sleeper, this medium firm mattress will definitely be a great choice. COILS COMBINED WITH GEL FOAM FOR A COOLER NIGHT'S SLEEP: The full size hybrid mattress is made of multiple foam layers and individual pocket springs. The gel-infuesed memory foam allows air to circulate and helps regulate body temperature by absorbing heat, making this hybrid mattress full more breathable for a cooler sleep.