TEC Accessories Embrite Glow Pellet TECEGPG5007. 5" overall. 0.5" diameter. Will glow for up to 12 hours when exposed to sunlight or UV light. Glow color: Green. Comes in plastic tube. Specifications for TEC Accessories Embrite Glow Pellet TECEGPG5007: Manufacturer: TEC Accessories Color: Green Length: 7.5 in Weight: 0.1 lb Overall Length: 7.5 in Package Contents: TEC Accessories Embrite Glow Pellet