Our 22 inch assorted multicolors glow necklaces are perfect for holiday celebrations and themed parties! Each box contains an assortment of tri-color necklaces. Each necklace will glow once, for 8-12 hours, and measures approximately 22 inches long by 6 mm in diameter. The connector is included but not pre-attached. Activate a necklace by snapping it and shaking it. These items are sold by the box (50 necklaces and 50 connectors per box).