ViscoKidz’ 7 inch mattresses are constructed with specially formulated visco memory foam materials. These mattresses are specifically made for children and respond to their body temperature and weight. ViscoKidz mattresses feature the ViscoKidz patented Support Edge Technology. This patented technology supports your child as the mattress conforms to the shape of the body for exceptional comfort. Your child will get a healthier night’s sleep when they need it most, during the crucial growing years.