20pcs PM2-5 Activated Carbon Filter Insert 5 Layers Filter Paper Mouth Mask Filters Protective Mask Filter Replaceable Anti Haze Pad for Adults Men a

This item is made of high quality material, it is healthy and safe for you to use.  Our filters provides some protections against protect your mouth and nose from small particles in the air,automobile exhaust and etc. How To Wear:          Plug-in type, to provide you with double protection, with better protection Effect. Specification:          Material: Anti-sticking cloth, Activated Carbon cloth and Efficient Meltblown Cloth.          Quantity: 20 piece per bag          Package Weight: About 0.066 Lb          Bag Size: 6.9inch x 4.3inch x 1.1inch If any issue, please kindly contact us for a solution. We listen to customer feedback and fine-tune every detail to ensure quality.