Widely Used: Suitable for fitness, sports, school and carnival and amazing gifts. ^ Beautiful and Practical: Made of premium silicone, the wristbands are of good quality, which provides great flexibility and stretch for long-term wearing. Darkness: It absorbs light when bright in the daytime and glows in the dark at night, giving you a different feeling. ^ Used at Party: Use it at your party, give to every guest, add a different flavor to your party.