Coyuchi organic cotton bedding is made without the use of synthetic fertilizers, pesticides, or herbicides. Decrease your exposure to toxic chemicals and protect the environment with Coyuchi organic cotton bedding. Choose from the classic 230-thread-count percale sheets or the silky 250-thread-count sateen sheets. Please note that while organic cotton bedding contains no toxic chemicals, it does not offer protection from dust mites. To protect yourself from dust mites and other allergens, please visit the Allergy Armor allergy bedding section of our website.