Mammoth Sales Fiber-Optic LED Flashing Headband, Lot of 12 - Various Styles Headbands Comes in assorted colors, Pack of 12 Simple on/off slide-switch operation (turn on and off as desired) Batteries are included and installed Dimensions: 5" wide x 9 1/4" tall ATTENTION BUYERS: ALL Batteries have been REPLACED for optimal use. ALL batteries were changed before sending the items to FBA !