The mask is made from 60% organic cotton and 40% polyester blended fabric. The cotton-poly blend helps the mask retain its shape wash after wash. The blend also helps retain the color. Care Instructions: Machine wash with detergent and hot water, machine dry with medium heat Warning: Risk of Suffocation. Not intended for children under 2 or anyone with difficulty breathing. Face masks may be difficult to remove without assistance. Nonmedical use only.