Looking to stand out at your next event? Turn some heads with our 6-color LED Fiber Optic Necklace. Every party from Mardi Gras and St Patrick's Day to New Years and the 4th of July from birthday parties to Bar & Bat Mitzvahs is the right place for the 6 Color LED Fiber Optic Necklace. Bright LEDs make this item pop with color and energy. Our 31", 6-color LED Fiber Optic Necklace is priced by the piece. Please order in increments of 12 pieces. 3 AG-13 batteries are included and installed. Patent #D541690, Patent #7224045