Come and see our amazing products.This neck gaiter is made of high-quality mesh fabric, with a two-layer design on the face, which can be inserted into a PM2.5 filter, which can effectively remove PM2.5 and other particles. It is lightweight, highly breathable, quick-drying, suitable for outdoor sports, and can be used as a mask, turban, scarf, headband, hat, headband, and wristband. Designed to protect you from dust, bacteria and infectious diseases without affecting the appearance. This price does not include filters Pls confirm further with us if any query about packing info, inventory status and time schedule.