Experience sound sleep with the Thaddeus Hybrid Mattress. Delivered snugly in a portable box, Thaddeus features a luxurious unification of individual foam encased 6.25” tall x 2.5” wide pocket coils surrounded by three layers of high-quality foam. Topped with a gel-infused surface to keep you climate steady, Thaddeus is a supportive mattress that quickly dissipates your body heat while conforming to your weight and position. Thaddeus also minimizes motion disturbance between partners and reduces stress on pressure points. Thaddeus is CertiPUR-US® certified by accredited independent testing laboratories, so you can be confident that the memory foam is made without formaldehyde, ozone depleters, mercury, and other heavy metals including PBDEs, TDCPP or TCEP (”Tris”) flame retardants, and is low on VOC. Designed from bottom to top with responsive foam, memory foam, and gel-infused memory foam, Thaddeus comes with a diamond quilted outer cover and fiberglass cloth inner cover. The mattress comes vacuum-packed and rolled to fit into a box. Please allow up to two days to expand fully. Boxspring or foundation are optional. Slatted bases should be less than 3” apart. The non-slip bottom consists of an 80% polyester, 20% cotton blend. Set Includes: One - Thaddeus King 12" Gel Infused Hybrid Mattress with CertiPUR-US® Certified Foam