... led bead necklace,light up necklace,corportate gift,party gift Material:plastic LED :red ,blue,yellowetc. logo available led bead necklace,light up necklace, ... for product launches, special events, trade shows, promotions, and awards. They are available in 7 shapes: Square, ... Rectangle, Circle, Heart, Martini Glass, Star, and Bottle Cap, and 7 ultra-bright LED light colors includingRed, Yellow, ...