The most breathable organic mattress, the STOKKE organic mattress is filled with coir from the only certified organic coir plantation in the world. Coir is made from coconut husks which are coated in natural latex to make a supportive and breathable fibrous layer. The coir is then wrapped in our unique lamps wool which is bathed in a mixture made from extracts of lavender, lemon and eucalyptus making it completely anti dust-mite as well as maintaining the excellent thermal insulating properties of natural wool. Features: Made from organic materials and no chemicals or synthetic materials used. The mattress is covered in two undyed, unbeached cotton covers. Natural fibers allow circulation of air and keep the mattress well ventilated. Non-allergenic and anti-dust mite. Comes with removable pure cotton outer cover that is machine washable. Naturally fire retardant. Durable naturally sprung mattress cores provide a superior and long lasting support. Hand made in Devon, England. All raw materials come from 100% renewable and sustainable sources. 100% biodegradable and 100% recyclable package. Mattress Set Sold Separately from STOKKE SLEEPI.