This Spa Sensations mattress is designed with the exclusive iCoil spring system. The mattress is the ideal solution for you and your partner to enjoy an undisturbed sleep. The extra firm comfort level is enhanced by the individually wrapped coils that allow for the least amount of motion transfer when sleeping. This extra firm mattress features a 7.5-inch spring unit which provides added support in the areas that need it most. The top of the mattress is quilted with 1.5 inches of support foam, fiber padding and 1 inch of HD foam to protect the coil system. This mattress is to be used with a box spring or a smart base foundation with grid like metal supports in place of a box spring.
Features: Individually wrapped coils on this mattress helps to give added support in shoulders and hips Extra firm can aid in spinal alignment Cover features a quilted top for comfort Coil Counts: 435 (Twin) ; 609 (Full) ; 690 (Queen) ; 870 (King) Fits under standard fitted or deep pocket sheets if your mattress is 14" or higher Available Sizes: Twin: 39" x 75" x 10" Full: 54" x 75" x 10" Queen: 60" x 80" x 10" King: 76" x 80" x 10"