Huge Old School Halloween Light Bulb Necklaces are the perfect way to say goodbye to summer and hello to fall! With beautiful Fall colors, these Necklaces are great for Fall Festivals, Halloween parties, party favors, trick or treating safety and anywhere you want to bring some fun to your event! Necklaces come ready to use with 3 replaceable AG13 Batteries. Specifications: LED/Bulb Colors: Purple, Green & Orange Necklace Length: Approx. 18"