Material: Alloy and Plastics Size: Button diameter 20 mm , Screwdriver length 7.5 cm Quantity: 20 pcs buttons and 1 pc screwdriver Jeans button pin can instantly adjust the size when the waist of the pants is too loose, allowing you to say goodbye to belts and stay comfortable all day long Replacement metal buttons are perfect for your jeans, denim skirts, maternity pants, overall dresses, coats, shirts, and more