feature:1. The clamp has concave and convex, see the detail picture, the fixation is tighter2. It can replace the needle for needle change. The clip can be moved at any time, which is more convenient3. When sewing, double-layer cloth to prevent the cloth from running away4. These clips can be used to post notes and organize documents as paper clips or use them to hang pictures or souvenirs on a string.5. Made of high quality plastic and metal, this clip base is easy to hold layers and make the fabric flat. Plus, it will never poke your fingers or damage your materials.Specification:Material: PS + stainless steel shrapnelSize: 2.7*1*1.5cm/5.5*1.2*1.8cmQuantity: 10 pcs/bag, 20 pcs/bag,The package includes:Option One: 10 X Sewing ClipsOption Two: 20 X Sewing Clip