Safe: The mask is made of premium PVC and El cold light wire which has no UV harm, NO adverse effects on the human body.Environmental and non-toxic.Comfortable: Padded mask fit for most adult and kids face. Comfortable and breathable.Multiple Modes: The mask control have 3 lighting modes:Steady Light,Slow flash,Fast flash.Portable: Clip the power pack to your pocket or onto your clothing. Takes 2* AA batteries (Not included)Unique and Fashion:The mask can be used on any occasional such as party, rave parties, discos, clubs, Halloween, birthdays, Christmas, Easter, New Years Eve Party.