Good material: LED light up bracelets are made from soft and durable nylon materials, this bracelet can be easily bent and adjusted to fit most wrist size. 3 Light modes: 3 adjustable lighting modes (slow blink, fast blink, full glow) to create different visual effects and match your preferences. Easy to use: Powered by 2 replaceable 2RCR2016 batteries (pre-installed). The battery is also replaceable, so you can easily swap it out when it runs out of power. Additionally, if the nylon bracelet gets dirty, you can remove the battery pack and wash the bracelet, making it reusable. Wide occasion: Perfect for outdoor activities, night running, parties, music festivals, and more. Enhances fun and safety, attracting attention or serving as a warning signal. Package inlcude: This bracelet offers 6 different colors for one package, including red, orange, yellow, green, blue, pink, Each color is vibrant and eye-catching, making it easy to add a pop of color to any outfit.