The Futon Shop uses the most durable, supportive, and eco-friendly materials not found anywhere else. The Organic Eastern King CocoRest Mattress is completely Chemical Free and is made with a 6 inch core of high quality all natural materials each with their own bacteria resistant properties to ensure that your toxin free mattress is built to last a lifetime. Thanks to the constant reflex and support of 2 inches of 100% Organic Dunlop Latex Core and the durability of 4 full inches of Coconut Coir this mattress will outlast conventional spring, foam, and latex core mattresses. With the added strength of organic Coconut Husk our CocoRest Mattress is certified completely Chemical Free and is a great choice for those looking for optimum support.