Features: ★Carbon Filter Material: PP anti-sticking cloth + meltblown cloth + activated carbon cloth ★Carbon Filter Uses: anti-odor, anti-dust, anti-gas, anti-PM2.5 Allergies,Smoke,Pollution,Ash, Pollen; ★Scope: dust masks, self-use masks, beauty salons, pet shop masks, factory masks, food processing masks, environmental cleaning masks and other protective dust can be placed. Specification: Material: PP anti-sticking cloth + meltblown cloth + activated carbon cloth. Color: White. Package Included: 10 x PM2.5 P2 Face Mask Filter. Please Note: 1. Please allow 1-3cm error due to manual measurement. 2. Please understand that colors may exist chromatic aberration. Thanks for understanding! Notice: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight deviation for the measurement data.