Tempur-Pedic(R) 9 inch box spring was engineered to support your Tempur-Pedic(R) mattress, and upholstered in a black fabric with a perfectly solid, flat surface at a height that's right for you. 9" High matches a traditional box-spring height. 5" Low fits through more narrow stairways. 2" Ultra-low is perfect for platform-style bed frames. Place your foundation in a bed frame. With a queen split, King, and Cal. King You must order 2 of this item to receive a complete box spring. This item must be added to your shopping bag twice to insure delivery of both pieces. Mattress sold separately. This item is deliverable only by Boscov's Home Delivery Service for online orders within a 25-40 miles radius of any Boscov's store (based on your zip code). For more information, go to Shipping. Free Delivery on all Mattress Set Purchases $699 and up after discounts. For bedding warranty information, go to Returns.