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. - Length: 7.50 in. - Width: 5.25 in. - LED Colors: 12 bright blue. - Batteries: includes 3 replaceable AG13.