The Child Safety ID Bracelet is a simple way to help your child if they ever get lost, or if they get into an accident while at school or playing with friends. Each bracelet comes with two ID cards that can be slipped into it, out of sight until it is needed. The bracelet is made of durable, waterproof materials to keep the ID card safe. A convenient way to keep your child's emergency contact info with them at all times. Fits up to a six-inch circumference.