SEW STRONG CAMPAIGN: Each mask purchased provides a mask for a healthcare worker in need! Each mask is 100% cotton with two elastic bands. Available in sizes Small (recommended for children & adults with small heads/faces) or Medium (receommended for adults with average or larger heads/faces). I am wearing a Small in the photographs. Free Shipping anywhere in the United States. This item is not eligible for returns or exchanges.Please allow 3 to 4 business days for processing.