... alloy, copper, Brass.2. Metal/jeans button size: 14mm, 15mm, 17mm, 20mm, 22mm, 25mm.....3. Customer's design & logo is welcome.4. All metal button ... going with jeans, coat, belt, bag, shoes, hat, etc.Metal button, shank button, alloy button, zinc alloy button, rivet and so on. For more information, please refer ...