SAFE FOR THE HUMAN BODY The mask is made of fine PVC and EL cold light wire that has no UV damage, NO negative effect on the human body. No plastic bottom smell, no pungent smell, you can wear it boldly. GLOWING SCARY MASK: the mask is made of fine PVC and cold El light thread which has negative effects on the human body. The cold light will ensure you stand out from the crowd. Regardless of where you are. You will receive tons of attention from others who are curious about your mask. 4 CONTROL MODES AND LONG LIFE: the mask control has 4 modes, fixed light, slow flash, fast flash, Off. You can adjust the mode you need from the control panel. It needs 2 * AA batteries (the battery is not included in the package) to work and can last more than 48 hours. Insert the power supply in your pocket or on clothing. MULTI-OCCASION USE: the mask can be used on any occasion such as Halloween, parties, rave parties, discos, clubs, birthdays, masquerades, fat Tuesdays, rave festivals, costume parties, carnival, gifts, festivals, events and so on Street. Fun for all ages. MONEY BACK GUARANTEE: do not hesitate to contact us via Amazon and we will do our best to resolve any problems.