Round Anti Pollution Face Cover Mouth Filter Accessories - Face Cover Valves Breathing Activated Carbon Dustproof Windproof Foggy Haze Cover Filter -50pc- --White yellow-

[Economic Packaging] A total of 50 mask cover valves. Buying multiple pieces is more cost-effective and suitable for sharing with family, friends and neighbors. Function: replacement, anti-fog, mask accessories [High-quality materials] Made of absorbent materials, durable. [Widely applicable] Suitable for sports, running, activated carbon face shield, etc. Please note that masks are not included in the package. [Quick delivery] USPS (USPS) delivery, arrive in 2-5 days. If you have any questions in the future, please feel free to let us know.