Mouth Mask ZWZCYZ Masks Cotton Cool Green Glow Teeth Luminous Anti Dust Muffle Kpop Face Mask for Cycling Party Halloween Gift Cosplay 100% new item Name: luminous led Teeth mask. Material: cotton. Gender:women or men.Girls or Boys Suitable:Any season. Feature: with a luminous mask,soft and easy breanthable,can adjustable. Function: Antibacterial anti-fog and haze. 1,Pattern during the day is white, blue green absorbance after night. 2,The stronger and longer of the suction source , the better the results. 3,It&#039;s ok with light or sunlight, recommended for 5-10 minutes at night to absorb before use.