Our 22''L 6mm thick Assorted Tri-Color Supreme Glow Necklaces are sold 50 necklaces per tube. Color combos include red/blue/green, blue/yellow/green, and red/pink/purple. Connectors are pre-attached to these glow necklaces to facilitate high-speed vending and for easy party giveaways. Simply crack & shake the glow necklaces for hours of glow-in-the-dark fun. Sold in a pack of 50 necklaces. Please order in increments of 1 pack.