Thank you for viewing from among many items. This is a pair necklace that can be worn by couples. It goes well with street and mode styles. It also matches well with T-shirts for the upcoming summer season. ▪️Colors Black & Silver Gold & Silver ▪️Material Surgical stainless steel, which is resistant to rust, water, and discoloration. ▪️Sizes For Men (Black & Silver) Top: Diameter 2cm (largest ring) Chain: Length approx. 50cm For Women (Gold & Silver) Top: Diameter 1.8cm (largest ring) Chain: Length approx. 50cm ▪️Notes ☆ As this is a foreign product, there may be some imperfections or minor scratches and stains compared to Japanese products. We inspect the items before shipping, but we appreciate your understanding. In the unlikely event of a defective product, we will take care of it, so please contact us before leaving a review. ☆ Measurements are taken by hand, so there may be slight variations. Also, the dimensions may vary slightly depending on the product, so please understand. ☆ The colors may look slightly different depending on how the photos are taken. ☆ A case is not included. The item will be shipped in a bag. ☆ If you have any questions, please feel free to comment.