Insert wire clasps into the openings of pouches, bags, etc. Enjoy your handmade creations! They open wide, making your items easy to use. These are leftovers from when I was making handmade bags. I hope you can use them. ⚫︎Size: Approximately 15 x 5cm ⚫︎2 pieces per pack x 6 packs Although they are new and unused, they are secondhand items that have been stored at home. Please understand.