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 Won't fall off easily, only can get the pin out when twist insurance in correct position. With holes, can be stitched or stuck. Safety pins can be stitched on clothes or crafts, and you can use you imagination on it., Materiel: Iron Pin Maker 50Pcs Bar Pins Brooch Lock, Pin Backs For Jewelry Making Broche Spelden Craft Pin Backs With an insurance switch, the safety suitable for children to use, which won't open easily. Safety pins can be stitched on clothes or crafts, and you can use you imagination on it The silver color safety pin is made of high quality iron, the material is harder than normal ones. Description: With an insurance switch, the safety suitable for children to use, which won't open easily. 50 Pcs Bar Pins, 4 Sizes Silver Tone Pin Back Clasp Brooch Bar Pins Brooch Lock Back Safety Catch Rolling For Jewelry Making Crafts 20 25 32 38mm 32mm Used for DIY brooch craft, can be stitched on clothes or crafts.