Product Name: Glow Stick. Product specification: diameter 4.5x total length 200mm Baby colour: colour mixed each bucket has 5 colours (red, yellow, blue, green, pink) to the manufacturer's factory as the standard, use: just a light break, the fluorescent stick in the liquid mix instantly issued fluorescent, How to use: Simply break it gently, the liquid in the glow stick will immediately mix and instantly emit fluorescent light. It is disposable and cannot be recycled. Each stick comes with a connector, so it can be used as an infinite extension for several sticks, or as a bracelet Caution: The liquid in the glow stick is not edible and has a certain degree of adhesiveness. If it leaks, it can easily contaminate furniture, floors, clothing, skin, etc. If this happens, it must be cleaned promptly; if the liquid from the glow stick gets into your eyes, you must wash them with water or seek medical attention. For this reason, it is strictly forbidden to break the plastic tube of the glow stick with a knife or scissors; it is strictly forbidden to twist the glow stick to prevent the liquid from leaking out. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store