Features: brand new and high quality Hand-routed, clean and beautiful. The back of the mask is equipped with a large and comfortable sponge to protect the forehead. Luminous mask, toughness is not easy to break, the battery can be removed. The mask is made of durable and environmentally friendly PVC material, and is hand-assembled by EL cold light, no UV damage, environmental for protection and safety. The product can be carried in a bag and be the highlight of festivals or masquerades anywhere. The user only needs to tap the switch button on the mask driver to activate it, which can turn the surrounding rhythm into a visual effect. There are four levels to control, on, flashing, for always flashing, and off. Specifications: Material:Plastic Size:18.5x33cm/7.28x12.99in Lamp Color:Blue/Fluorescent Green/Red Note: Note: Wearing for a long for time will make your eyes strained. Take a break for 1 hour. When using it, put the battery box in your pocket or clip it to your clothes. You need 2 AA batteries (not included in the sale of batteries). It will emit light, and the power consumption is in the milliwatt level. Package includes: 1 x Led Dog Mask(Blue/Fluorescent Green/Red)