14" Night Therapy Deluxe Grand Memory Foam Mattress & Bi-Fold&reg; Box Spring Set &ndash;Cal King Cream color polyester jacquard cover is quilted with fiber padding, and 1" of memory foam for ultimate body contouring comfort Tan base layer cover is quilted with fiber padding. The body core is the unique pressure relief layered system of 2.5" memory foam, 3.75" of super soft pressure relief foam, 3.25" of multifaceted foam, 3.5" high density foam to provide long lasting durability and stability The foams are infused with Green Tea, Charcoal, and Natural Seed Oil which minimizes the use of petrol based chemical oils, working to eliminate chemical odor and to minimize growth of bacteria in a natural way Bi-Fold Box Spring Folding Foundation is made from heavy gauge metal featuring maximum edge firmness. No assembly required- remove from box, unfold, and lay your mattress on top.