Resin zipper Tooth color: Any colors including gold, silver, anti-brass Size: #3, #5, #8, #10, #20, #30 Open end, closed end Resin zipperTooth color: Any colors including gold, silver, anti-brass Size: #3, #5, #8, #10, #20, #30Open end, closed end, double open end, double sliderSmooth tooth and slider