This beautiful set of cuff links is made of Stainless Steel with Carbon Fiber Inlaid. Material: Stainless Steel with Carbon Fiber Clasp: Hinge Finish: High Polish Shape: Round Style: Round with Carbon Fiber in the middle. All weights and measurements are approximate and may vary slightly from the listed information. 30-Day Money Back Guarantee: We want our customers to be happy with our products. We offer 30-Day Money Back Guarantee. If you're not happy with our product for any reasons, you can return it for FULL refund within 30 days from the day you purchased.