Hair ties for children Can be used without tangling even in children's smooth hair! Product Description: Hair ties convenient for short outings. They don't tangle, so they're great in the bath. They're okay if they get wet, so you can be fashionable at the beach or pool. They don't hurt even when tied tightly, and they slip off easily when removed. Material: Silicone Outer diameter: Approximately 1.5cm Width: Approximately 1.5mm Approximately 500 pieces per bag.