Safe MaterialThese Silver Rings are made of 925 Sterling Silver. Its surfaces are polished by some black ingredients to look more Vintage. This special design stands for Classic & Eternity. It's a High Polished, Nickel-free and Anti-allergic rings. Perfect to keep as a Daily Jewellery. Size & Multi-Purpose Rings Diameter: 17.5mm (Original Size O), The open rings can be bent by hand to fit your size. They can be adjusted from size K to size S. This Silver Ring is Lightweight and Comfortable to Wear. They are suitable for Multipurpose Uses in daily life, can be used as Finger Rings & Kunckle Ring & Toe Rings. Suitable for Women & Men & Girls & Boys. Vintage Rings DetailsThis Finger Ring is designed by Celtic Knot. Its classic design can be worn alone or stacked with other rings. Simple and adjustable, Easy to Match, can be used for daily wearing and any casual occasions like parties / weddings / prom / banquet, etc. Suitable for Matching T-shirt / Skirt / Jeans / Dress / Suit / Sweater / Coat etc. Perfect Gift ChoiceThis 925 Sterling Silver Ring is a perfect gift for friends, wife, girlfriend, mother or someone you love, for Birthday / Christmas / Mother's Day / Valentines Day / Anniversaries, etc.