Function: cold, dust, smogMaterial: 100% cotton, polyester cotton, other materials are availableFeature: Breathable, Comfortable, Skin friendlySize:15*23cmReady date:5-7daysPayment: T/T in advance Hot Tags: fashion washable anti smog pollution cotton dust mask, China, manufacturers, suppliers, factory, wholesale, customized, cheap, discount, low price, Unicorn Student Stationery Storage Bag, Leopard Print Yellow Polka Dot Backpack, Backpack, Dome Flower Cosmetic Bags, Plastic Clear Mask Anti-Fog Lens, PU Small Cosmetic Storage Bag