Material: copper, rhinestone, thick silver plated. Size S: 20cm + 5cm extension chain, adjustable and easy to fix, with an extender to help you find the good size. It also works with most small cats and dogs. Easy to put on and take off, secure detachable buckle, three layers of rhinestones, mixed colors. The adorable pet collars pet with sparkling rhinestones and paw pendants are perfect for weekend party outfits or the perfect gift for weddings and holidays to make your pet sparkle and look beautiful.