Today?s busy Kids and Teens need a good night sleep and it all starts with a great mattress set. The Simmons Slumber Time Shinning Star mattress set is a terrific value featuring a Plush Pillow Top design. The mattress is built on a 416 coil XT coil unit for long lasting comfort, support, and durability. Several layers of plush foams provide that luxurious cloud like feel you expect from a Pillow Top mattress. To provide edge to edge support and a firm seat edge the mattress contains a Surround Around foam edge insert. The mattress can be used on a Bunkie board or the set can be completed with the addition of the Triton Foundation which will ensure long lasting durability. Simmons Slumber Time Shining Star Twin Mattress Set 3 year non-prorated warranty.