1. It is extremely bright in the dark and at night. It is an excellent reflective Christmas safety arm, wrist, and ankle band, suitable for night walks, jogging, cycling, and running. It is an outstanding running reflector and party supply, suitable for runners, walkers, cyclists, children, men, women, and adults. 2. Stay visible at night and keep you, your children, or your pets safe. This means that you, your children, or your pets will be safer from negligent and distracted driving. Christmas party supplies for children, men, and women - most suitable for LED parties, children's birthdays, festivals, Christmas, weddings, night events, bonfires, discos, carnivals, celebrations, indoor and outdoor activities, gifts for rave parties, etc. 3. Both children and adults can wear these LED glowing toys. These glowing bracelets can be worn on any fun occasion. The children's glowing bracelets are bright enough to catch a child's eye and easily attract the attention of others in the crowd. It is 13.8 inches long and 1.6 inches wide, and can be worn by adults, children, men, and women, or shared with relatives and friends. Simply wrap it around other positions, such as the wrist, ankle, and hand, and it will automatically wrap. If you want to wear it on your bicep, evaluate the size to confirm if it fits. 4. The button battery has a battery life of approximately 50 - 70 hours. After the battery runs out, you can replace it with a new one. It is reusable. There are three flashing modes: fast flash, slow flash, and full - bright.