Masks are made-to-order. Delivery Time approximately 10 - 12 days! FOR MEMBERS ONLY! Cloth masks are washable and include a 2.5 PM charcoal filter which can be inserted within the mask. This filtration enhances the quality of the mask. Do not wash the filter. Each filter is designed for up to 20 hours of use. Masks are adjustable to ensure a tighter or more loose fit as desired.Wash the mask in cold water. Air drying is recommended.