This memory foam mattress is made with eco-friendly CertiPUR-US foam for performance, durability, and sustainability. It features six inches of support foam topped by two inches of memory foam. Oeko-Tex breathable covers are certified to be free of harmful substances. The removable knitted top is soft and comfortable. Each mattress is conveniently packaged in a box that ships fast and free to your door so all you have to do is unbox, unroll, and unwind.