Features: 1.With safety insurance switch, no longer afraid of being pricked by pin 2.Won't fall off easily, only can get the pin out when twist insurance in correct position 3.With holes, can be stitched or stuck 4.The material is harder than normal ones 5.Used for brooch DIY craft specification:Description: With an insurance switch, the safety suitable for children to use, which won't open easily. It can be stitched on clothes or crafts, and you can use you imagination on it. With safety insurance switch, no longer afraid of being pricked by pin. Won't fall off easily, only can get the pin out when twist insurance in correct position. With holes, can be stitched or stuck. The material is harder than normal ones. Used for DIY brooch craft. s: : 20mm, 25mm, 32mm, 38mm(optional) Quantity: 50pcs per bag Color: Silver Materiel: Iron There are only 2 holes on the 20mm pin. Package Includes: 1 Bag(50pcs) x Safety Pin Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.