Be as bright as a star when you wear a Light Up Red, White, & Blue Star String Necklace! The red, white and blue stars are on a thin white strand. Wear these cute patriotic necklaces all day, then light them up at night! Light Up Patriotic Star String Necklaces have 2 light functions, choose a quick flash or a still light. To activate the bright stars simply push in the knob located on the white plastic piece on the necklace. The Star String Necklace does not have a clasp to open, slip over head to wear or remove. 3 AG10 batteries are included and replaceable.