Set includes Mattress and Foundation. 1-inch top fiber quilted with a layer of super soft foam; 1.5-inch layer of high density foam; 7.5-inch layer of innerspring coils. Superior pressure point relief: improves circulation; eliminates motion transfer; reduces tossing and turning. Outer cover - soft poly jacquard fabric. This product meets all flammability standards; 10-year manufacturers limited warranty. Steel foundation with black finish is 14-inches high and provides a nice storage space. Bed base is easy to assemble and eliminates the need for a box spring. Sets available in Twin (39"W x 75"L), Full (54"W x 75"L), Queen (60"W x 80"L) and King (76"W x 80"L) The OrthoTherapy 10-Inch Pillow Top Spring Mattress and Steel Foundation Set is perfect for people who like a plush sleep surface and the traditional flex of an innerspring core. Hundreds of individual springs provide the support your body needs. Since each spring works independently, virtually every inch of your body gets a customized level of support whether you sleep on your back, side or stomach. To maximize mattress expansion; remove from packaging within 72 hours of receipt. This product arrives very tightly packed. Please unwrap and allow 48 hours for this product to return to its original shape. Being sealed in plastic packaging sometimes traps odors. A few hours of airing usually removes the odor. Mattress and bed base shipped in separate boxes.