Reusable Cotton Mask Mouth Face Cover w/ Respirator + 2 Anti-Fog Mask Filters Kit please wash the mask Hand wash with no filter before first use if you smell unpleasant smell from production This ship by usps first class mail from NC. That is without TRACKING Number. Shipment is sent in a small envelope and usually takes about 5-7 business days for delivery that depend on the distance. Features: Material:cotton + nylon + PP anti-sticking cloth. Features: Pure cotton, face protection, light and breathable, skin-friendly, adjustable elastic band, insert 5 layers of PM2.5 filter; Uses: anti-odor, anti-fog, anti-gas, anti-bacterial, anti-PM2.5. Descripition: Keep your face clean and neat ,protect your face aginst fog or any particles from environment. Simple design and look cool. Washable and Recycling. Comfortable breathing. One size suitable for all kinds of People. Unisex for Men and Women Package included: 1pcs Anti fog mask+2 PM2.5 Mask Filter Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it. Shipment is sent in a small envelope and usually takes about 5-7 business days for delivery that depend on the distance. Please contact us with any problem BEFORE opening an CASE or leaving us a negative feedback so that we can diligently work to solve the problem for you. Reusable Mouth Cover Washable Cloth Cotton Face Mask 2 PM 2.5 Carbon Filters (description exceeds maximum possible length)