THE FUTON SHOP 9" COMFORT REST ORGANIC CALIFORNIA KING SIZE COTTON/WOOL/LATEX MATTRESS 100% Organic Egyptian Staple Cotton, Chemical free, organically grown. Organic Dunlop Latex 2 one inch latex cores 34-38 ILD - 85-90 Density Organic - Chemical Free, Superior Pressure Relief, Anti-microbial Dust mite Resistant. Natural Virgin Wool, Natural Moisture & Temperature Relief. 57-121 lbs (depending on size) of Natural Support. Eco-Friendly Natural bedding. Grown in America. Comes with standard poly cotton case. Color of the fabric for mattress casing may vary depending on fabrics in stock.