It can be used for admission management, re-entry management and proof of participation in various event venues such as events, live performances, concerts and festivals. Waterproof: This wristband is waterproof, so you can use it with confidence even in outdoor events and outdoor festivals. Also recommended for sporting events in the rain and activities such as sea, river and swimming pools! EASY TO INSTALL: It is a versatile product that can be worn by anyone, regardless of age or gender. In addition, it can be rolled up with one hand and can be easily taken off with your fingers, making the loading and unloading smooth! Fluorescent color at a glance: Because it is a fluorescent color wristband, it has a high reputation. Even in dark venues or at night events, live or concert venues, you can easily tell if you are wearing a wristband! Product name:waterproof wristband wristband Colour:Random Color(Note:the color is random, contentment is not accepted) Material:Paper Size:Length:27cm Package Contents: 600 * paper wristbands Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.