Now trust me, I know the description says "noodle" not to be eaten, but put on your poodle! or boxer, or dachsund, but not on a shelf Even better, put these dreads on yourself!!!! To activate your LED Headbands, slide the switch on top of the black plastic headpiece. Specifications: Length: 7.50 in. Width: 5.25 in. LED Colors: 12 bright blue Batteries: includes 3 replaceable AG13.