【safety for your face】this led mask made of durable pvc material, el cold light wire has no uv harm, no heat, no radiation, harmless, which will not cause tension and fatigue in the eyes. 【face design】halloween mask fits our face completely.it has openings in the eye, nose and mouth area. and battery pack can easily clip to anywhere from the waist and up, like shirt &belt& pants pocket and so on. 【scary halloween mask】perfect for halloween, rave parties, discos, clubs, costume parties, bar, masquerades, mardi gras, rave festivals, carnivals, christmas party and more. 【led glowing mask】the scary mask has a led light strip, uses two aa batteries (not included) , connects the buckle, presses the a button that controls 4 modes (off, constant on, slow flicker, fast flicker). 【our guarantee】 quality assurance, efficient service. fast shipping! all shipped by fba.(notes: lewote only sold by ourself(alchen). beware of counterfeit product from other sellers.), happy halloween to you.