100% hypoallergenic .925 sterling silver 100% 4ocean Plastic flake (red or blue) 100% ethically-sourced earth elements from Dune’s Sandbank (Florida beach sand or Hawaiian opihi shells) Heart bezel measures 9.5 mm x 11 mm (approximate) Available in whole sizes (6, 7, 8, 9) Handmade with love and sandy hands in the USA® by Dune Jewelry & Co. Made-to-order jewelry ships directly from the Dune Jewelry & Co. studio in Boston, MA. No international orders, cancellations, or refunds. Not eligible for free shipping. Coupons, discounts, and other promotions do not apply.