Check the listing for details. Six (6) Cycling Face Masks Active Carbon Filter Reusable Breathe Easy. Color: Sky Blue, Condition: New with tags. Listed at 9.95 USD. Six (6) Cycling Masks Bike/Dust Masks with Activated Carbon Filter & Breathing Valves - US Stock PLEASE READ THIS ENTIRE LISTING AND VIEW ALL PICTURES BEFORE BUYING. Mask Size : S/M (Not for large head, see measurements in pics)Fabric：Mesh / Diving FabricCondition: New with tags.Color: Sky BlueIncluded: Six (6) Masks + 6 Filters (additional filter purchase info in package) Features:Filtration effective up to 95% Security, Breathable, Blocking droplets, Dust-proof, Stretch fabric, Close Fit to faceDual Breathing valvesFilter - 5 layers of protectionMounting ear designHigh elastic fabricMultipurpose - Suitable for dust, anti-vehicle exhaust, anti-pollen allergy, PM2.5, for cycling, hiking, skiing and other outdoor activities. Product Care Info: 1. The mask can be used for more than 2 years, and the filter is recommended to be replaced every 15-20 days.（Haze area, depending on the situation the filter becomes black or damaged, please replace it on time） 2. The mask material is made of diving cloth, a little smell is normal. You must remove the filter first, then soak the fabric in warm water for 15 minutes with light soap, air dry, the smell will slowly disappear. The principle of filter activated carbon cannot be washed. We are not responsible for fitting issues after delivery. Please look at the measurements and measure your face/head before buying. We do not accept returns once the package is opened, since we can not resell it for health reasons. If the item is DOA please contact us right away. We'll do our best to resolve the issue. PLEASE DO NOT LEAVE NEGATIVE FEEDBACK RIGHT AWAY.