This natural mattress is rated Firm. The Latex Organic Cotton and Wool mattress has several main ingredients. Each ingredient is 100% Natural and completely Chemical Free. There are no Petrol-based Chemicals, which makes this one of our most pure special and favorite organic mattresses. This mattress consists of three main ingredients; 100% American grown USDA Certified Organic Cotton, 100% American raised Virgin Wool & EU & USDA Certified 100% Organic Dunlop Latex. Dunlop Latex is the ONLY Natural Latex available today without chemical additives.