[High Quailty] – The LED skull Halloween masks are made of environmental durable plastic, there are no pungent smell, no harm to the skin, no adverse effects on your health. The LED light strip gives off a cold light with no temperature, it will not hurting your face. [Portable] – The LED light strip use 2 AA batteries, the battery case is lightweight and has a clip, it can easily fit into your pants pocket or clip on your clothes, let the LED mask light up anywhere!（Batteries are not included in the package） [3 Lighting Modes] – The LED light have 3 Lighting Modes to change: constant on, slow flashing, fast flashing. Different modes can be changed by the controller’s buttons, you can choose the mode you like. [Wearing Comfort] – The Halloween mask is very malleable that will not squeeze your face, and size is suitable for most people’s faces. A Soft Sponge on the forehead, it can improve the wearing comfort and protect your face effectively. [Multifunction] – The Halloween mask can be used on any occasion such as Halloween, Costume Party, Rave Party, Clubs, Birthday, Masquerades, Rave Festival, Gift and Events.