Features:Ultra-Comfortable: The halloween comes with an adjustable elastic band that can fit your head perfectly whether it is a child or an adult. LED has soft inner padding for extra comfort.Convenient to Carry:lightweight, portable. When you wear Halloween , you can easily hold the battery controller in your clothes or store it in your pockets.3 Cool Light Modes: "constant on , "slow flashing", "fast flashing". Let this bright illuminate the Halloween night Trick or . Powered by 2 AA batteries (NOT included) In Use :This LED light up is built in heavy duty plastic with no odor, steady lighting effect will not flicker as well as wont get hot even is on all night.Wide Application:The cool is not ideal for the Halloween party, but also perfect for ,EDM shows, Masquerade, Bar, DJ, interior decorations, Pet decoration, cosplay party, attractions, event, disco, clubs, carnival and night events,parties.Product Description:LED Light Up Scary For Halloween Festival Cosplay Masquerade Carnival PartyMaterial: chlorideColor: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!)Package weight: 100gPackage size: 24x18x9cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.)