Materials:Cotton cloth Size:Medium suit for Men and women Package:1 x Cotton masks,2 x Carbon filter Can Replaceable activated carbon filter Durable & Washable & Reusable Suitable for running, travel, cycling, hiking, crafts, gardening, skiing, airplane, outdoors, public area and so on. Features: Travel - Airplane, public areas, outdoors, Pets & Dog Grooming, Sanding & Drywall Filter block, pollen and reduce moisture loss by 88%. Masks Washable Reusable Mask with replaceable filters. Each mask kit contains 2pcs Filter Mask can not only bring your comfort, protect u from dust, M-shaped nose clip for a comfortable fit,Allows for easy breathability Ideal for Dust, Smoke, Pollution, Ash, Pollen, Crafts,Gardening,Travel. Our mask has been designed for any user .The advanced reusable carbon activated cotton mouth mask cares for your skin keep fresh. Works like an active natural shield against any pollution Note: If you wear it 1-3 hours a day, recommended to replace filter about 4-6 days. Mouth mask can be washed, activated carbon filter sheet can't wash and can replaceable.If you want to wash the mouth mask please remove .