Product Details Length: 16cm + 5cm Material: Titanium Color: Silver ※ This is an imported, no-brand item. This is a popular U-lock bracelet! It's an item that you can easily wear to enhance your sense of style. ■ This is a U-lock bracelet also used in Tiffany's hardware. A cute and sophisticated item with a luxurious feel. Unisex, can be used by both men and women. ■ Carefully selected overseas limited items! We purchase directly, so we offer high-quality accessories at less than half the price. About Metal Allergies Titanium is a material that can be used with peace of mind by those with metal allergies, like K18 (18k gold), K10 (10k gold), Silver 925, and titanium. ※ However, allergies may not occur in everyone.