Made of 100% Natural Combed Cotton With Spun Bonded Filters Amazing Grace Masks are made of fine natural fiber of 100% Combed Cotton Ring-Spun Fabric with 100% Polyethylene Spun Bonded Filters. This quadruple-layer Combed Cotton Masks reinforced with Spun Bonded Filters are very soft and comfortable to wear and provide protection from Air Pollution, Dust, Pollen, Microorganism and Harmful Substances in the air. Size Adjustable Amazing Grace Masks are made to fit your face contour. You may freely change and adjust the size length to protect you efficiently and to fit you comfortably. Quadruple Layers for Quadruple Protection Amazing Grace�® Masks are made of Quadruple Layers. First Layer - 100% Natural Combed Cotton Ring-spun fabric is the first line of defense. Second Layer - 100% Polyethylene Spun Bonded non-woven filter is the second line of defense. Third Layer - Another 100% Polyethylene Spun Bonded non-woven filter is the third line of defense. Fourth Layer - 100% natural Combed Cotton Ring-spun fabric (White) is your fourth defense line and it is soft, non-abrasive layer that makes you feel comfortable on your face. Reusable Amazing Grac Masks are Reusable after Sterilization with Disinfectant Spray and/or Ultraviolet (UV) Sterilization (Available to buy "Click Here")and/or after Washing (Hand wash with warm water and mild soap. Do not wring. Hang to dry) Available Fashion Colors Amazing Grace�® Masks are available in 4 different fashionable Reversible Color Combinations: Black/White, White/White, Royal Blue/White, and Orange/White. Manufactured in the Sanitized Environment Amazing Grace Masks are made in a Sanitized Environment Factory in Mexico under USA Technology and Supervision. 4 Pieces Value Pack Amazing Grace�® Masks are packed in an Airtight Packaging Envelope after UV (Ultraviolet) Sterilization Process. It is Safe, Washable, Reusable and Convenient to carry. Satisfaction Guaranteed Amazing Grace Masks is Registered Trademark and Client's Satisfaction is Guaranteed by; Amazing Grace Health & Beauty LLC 158 Linwood Plaza Ste. 315 Fort Lee, New Jersey 07024 USA Email: info@amazinggracemask.com Product Details Fabric:100% Combed Cotton Filter: 100% Polyethylene Spun Bonded Size: 9 x 5.75 x 0.25 inches (228mm x 146mm x 6mm) Net Weight Per Piece: 0.50 Ounces (14g) Shipping Weight 4 Pieces Pack: 1.94 Ounces (55g)