Our 100% cotton masks are washable and contain an inner pocket to house a filter. For every mask purchased,Todd Snyder will donateone to Good360 which will pass along to a hospital in greatest need in NYC. Our premium, cotton face mask is made of 100% cotton jersey, with a polyester filter pocket, and adjustable nose to form to the contours of your face. Fabrics are pre-washed prior to construction. • 100% Cotton Jersey with 100% polyester filter pocket • Made in Canada • Machine wash warm • Non-medical grade • Not intended for clinical use • Reusable • Tumble dry low • Machine washable • Please wash before use To find the perfect size, measure from the top of the ear to the tip of the nose (at the longest point). Match that measurement to the width found below: SIZING S M L Height* 5.25" 5.5" 6" Width** 6.5" 6.5" 7" *Measured from highest point of mask to lowest point of mask **Measured from centre of the mask, inclusive of ear loop