The bamboo mask is an eco-friendly, soft, comfortable, reusable and hand washable adult face mask with a flexible nose piece and adjustable ear loops to customize the perfect fit. This 2-ply face mask is made for all-day wear! The outer shell is made from 50% recycled rayon from bamboo and 50% polyester. The inner lining is made from soft 100% cotton.This mask is non-medical grade. one size fits most. care instructions: wash before first use. Hand wash only. Do not bleach. Hang dry. Do not dry clean. Do not iron. the cdc recommends wearing a face covering as one way to address the spread of covid-19. The cdc recommends that social distancing, handwashing, and other recommendations be followed even when face coverings are worn. For more information, please visit www.Cdc.Gov this product should not be used by individuals with lung disease, like emphysema or chronic heart disease, in consultation with / and as advised by a primary care physician or other qualified health professional. stop using this product if you notice difficulty breathing while wearing it. this mask does not replace the personal protective equipment such as n95 respirators used in healthcare settings and should not be used in a healthcare setting. if skin irritation occurs, immediately stop using the mask, if irritation persists, consult your primary care provider.