Winstory 50x Plastic Clear and Red Patchwork Sewing DIY Craft Quilt Pins Binding Wonder Clips Clamps Large holding capacity and built in seam allowance markings allow you to align sewing and craft materials ahead of time and easily create flawless seams,Clips are both faster and safer than pins ever could have been, you'll wonder how you ever got by without them! RED colors not only help to see against any material ,but also never poke your fingers . Each clip opens wide to hold layers of fabric and the clip base is flat for easy feeding to the presser foot,Flat base for easy feeding against the sewing machine presser foot. The flat bottom of each clip has marking lines for 5 mm, 7 mm, and 10 mm, so you can measure how far the clip is reaching in from the fabric edge. Great alternative to pins especially when sewing vinyls, piles and heavy weight fabrics,it can hold layered sections of sewing projects such as handle connectors to handbags and piping without distortion. Clips can be used for different art and craft work. Useful in holding fabrics together for quilting or sewing