One size fits all: This type of Halloween mask is one size fits both adults and children. They don't care about the right size. 3 lighting modes: the LED mask uses two AA batteries, has 3 different light settings (steady light, slow flash light, fast flash light) and can be used continuously for 24 hours. Two AA batteries are not included. Comfortable and safe: there is an adjustable head strap that keeps it in place. With the mouth hole, eye holes, space for the nose and also padded with soft foam on the forehead. And Purge mask is made of high quality plastic, no plastic odor, easy to carry. Portable Switch: The scary mask has a small switch that you can put inside your coats or pants. So you can take part in any occasions such as Halloween, parties, rave parties, discos, clubs, birthdays, masquerades, carnival festivals, costume parties and carnival festivals. Style: skull Product features: 1.Safety - No UV radiation, no harmful effects on human body, no bad plastic odor, no pungent odor. 2.comfortable - It has a foam that is glued on the inside which makes it much more convenient to carry. 3. Soft light - 3 light modes are soft (full on, slow flashing and fast flashing), do not leave your eyes tense or tire. 4.No heat - the electroluminescent film is a cold light source, almost no heating when working, the working temperature is lower than that of the fluorescent lamp. Product specification: Cover area: full face Material: PVC and EL wire Occasion: Halloween, Party Age Group: Unisex Adults or Teens or Children Package includes: An LED Halloween mask Battery pack (2 AA batteries not included) LED mask with 3 flash modes The LED mask has 3 different light settings (steady light, slow flash, fast flash). Suitable for adults and children The Halloween mask consists of an adjustable head strap that is suitable for both adults and children. Safe for humans Made of high quality material, No Harsh, No Heat, No Radiation, which is safe for humans.