Now our Bumble Charms can be worn by adults! These adjustable, 925 sterling silver anklets are beautiful accessories for your baby and for you as well! You can feel great AND charitable about your purchase. A portion of every sale goes to Head Start. Who are they? Head Start is the most successful, longest-running, national school readiness program in the US, providing comprehensive education, health, nutrition, and parent involvement services to low-income children and their families. Nearly 25 million pre-school aged children have benefited from Head Start. Adult sizing is 7 inches long.