General Features: Natural wool mattresses that are hand-made, free-form, without any wood, metal, foam or latex. All materials used in this product are chemical and toxic free. Our mattresses use our own ECO-Pure Wool which is pre-compressed, giving you the satisfaction of knowing it will last for years. All materials are grown, raised or made in the USA, including the organic cotton fabric those envelopes all of our products. Our mattress can be used with your traditional bed with your existing box spring.