Rechargeable Glow Stick: This LED glow stick is reusable and rechargeable to reduce waste; the light stick's design is chemical-free for safe family fun Light Stick with Waterproof Design: This glow stick is 100% waterproof and can be submerged in 1 meter of water for up to 30 minutes Color-Changing Light Feature: This glow stick has Color-Changing Disc-O Select mode so you can pick your favorite color mode or keep the colors alternating Convenient Glow Stick Attachment: This glow stick Includes an S-Biner so you can clip it onto a backpack for a safety light or attach it to your camping accessories About Nite Ize: Our inventor-driven products organize your life, protect your gear, light your way, and creatively solve everyday problems