Special Green Luminous Printing Halloween Rave Mask For Ravers No.6

功能: 防尘 防病菌 防甲醛 防二手烟

图案在黑暗环境下的亮度与吸收的光源强度和时间长短有关

Function: Dust-formaldehyde anti-bacteria anti-secondhand smoke

The brightness of the pattern is depend on the Absorption of the light source intensity and the length of the time.