Magic Clips are a great binding tool designed to be sewn over. With a thin, flat edge there is no need to remove clips as you sew. These clips have easy to read seam allowance measurements and are made of surgical-grade steel. A great alternative to pins, especially when working with vinyls, laminated, and heavy weight fabrics. 'Big Magic Clip' large size clips that you can sew over, made of surgical-grade stainless steel, markings at the top of the clips show 1/4", 1/2" and 5/8", by Taylor Seville Originals. Package contains 12 clips.