Latest upgrade: This LED strings not push up against your eyeballs, the mask comes with an adjustable length headband, which fits almost any head size. This mask is a conversation starter and will make sure you stand out of the crowd. | High Quality and No Harm: This mask is made of high quality PVC and El cold light,A sponge pad is added to the forehead to maintain the comfort and breathability of the mask. | 4 Adjustable Mode: Halloween LED glowing scary mask has a LED light strip, uses two AA batteries, connects the buckle, presses the a button that controls 4 modes (off, constant on, slow flicker, fast flicker), and continues to use for more than 24 hours. Let the face mask light up your Halloween!(The battery is not included in the package). | Mutiple Usage: The Mask Can be used on any Occasional such as Haloween, Party, Rave Parties, Discos, Clubs,, Birthdays, Masquerades, Mardi Gras, Rave Festivals, Costume Parties, Carnival, Gift,Festivals and Events. | 100Days of after-sales protection: If there are any quality problems within 100Days after purchasing the product, please do not hesitate to contact us, we will try our best to deal with any problems with the product.