The Ortho Revive 1000 mattress allows for a firmer luxurious feel & contains 1000 individually pocketed springs that will outline the shape of your body offering complete body support. Each spring is held within a foam encapsulated unit that offers complete edge to edge support. As part of the Natural Touch collection, this naturally hypo-allergenic mattress boasts of environmentally friendly fillings including silk, wool & cotton. The material covering the mattress is finished with a breathable natural touch fabric that absorbs moisture allowing for a cool, invigorating feeling. The mattress cover itself is also made from renewable sources so is good for the environment Individually Pocket Spring System Firmer Feel Environmentally Friendly Naturally Hypo-allergenic Fillings Moisture Absorbing Cover No Turn Mattress Express delivery