Wearing a medical bracelet can be fun! This is perfect for children who do not like the look of a traditional medical id bracelet. Straps are made of nylon and polyester, feature a snap-lock clasp and slide-on engravable medical id plaques (1 inch) for your personalised allergy alert or medical message. Adjustable - fits 4-8 inches. Hand washable. Strap tucks inside bracelet to make it difficult for children to remove themselves. Any additional length of the strap should be inside touching the wrist - not hanging on the outside.