Pewter Celtic Knot Bangle Bracelet measures 2 3/4" in diameter and is not adjustable. Usually ships in 1-2 business days. To Purchase: Click direct link to St Gemma website below. Then type name of item into the search box. Pay with Mastercard, Visa, PayPal or Check at the checkout. For Returns, Shipping, etc: click Customer Service on the right top of page.