Each bow is hand tied and can either come on a stretchy one-size-fits-all nylon headband OR a non-slip alligator clip. This bow is secured so it won't come undone and won't fray! Alligator clip shown on child approx. 4 years old. Nylon headband shown on toddler approx. 18 months old, baby approx. 1 year old, and/or infant approx. 2 months old.