The Stretchy Half Persian Bracelet in a custom color pattern. The metal is all anodized aluminum and the rubber is all latex-free EPDM rubber. These bracelets are stretchy and are one size fits most. They measure about 7 inches in diameter and will fit wrists ranging from 6-8 inches. Although they may be a little loose at 6 inches or snug at 8 inches. If you would like a different size please message me for details.