Our product is certified Oke-Tex Standard 100 tested for any harmful substances. All our products have a NOMITE label attached. NOMITE certified bedding has an extremely tightly woven fabric cover, creating a physical barrier between you and the dust mite. This can help to relieve allergy symptoms associated with exposure to house dust mites and their excrements. This makes our products an ideal choice for people with house dust mite allergy.