Robust and durable silicone bracelets used for parties, banquet, dinner, training, sports and events. Perfect for clubs and teams to show their enthusiasm and distinguish different teams. Also, you can use it as cups, bottles, cans, mugs tag marker, cat toys, camera circlet-band, etc. Made of high-quality silicone,comfortable to wear, waterproof, easy to take off and on. Luminous silicone bracelets requires light to charge. Leave the bracelets in the sun for 10-20 minutes to tint, and at night they glow naturally amazingly!