... Tag: diameter: 45mm Blue beads: Long 84cm Light Up Pendant Necklaces with LED Light GAG409They are available in 7 shapes: Square, Rectangle, Circle ... , Martini Glass, Star, and Bottle Cap, and 7 ultra-bright LED light colors includingRed, Yellow, Blue , Jade, White, Purple, Pink Flash Tag ... : diameter: 45mmBlue beads: Long 84cm, or OEM your sizeLED Light: mainly white, or blue, green, red, color