Material: sewing clips made of high quality stainless steel, smooth polished, oil resistant, rust-proof, corrosion-resistant, waterproof. The springs are smooth on the fingers for frequent use. Easy to use: no more broken needles Instead of the conventional stitch needle, these hem clips have great flexibility to glide on fabric, and hold them firmly in place when sewing. Keep your fabric intact without breaking. Strong marking for long-term use. The markings are engraved on the hem ruler. Perfect Replacement:Great replacement for traditional sewing needles, great for hemming clothes, curtain skirt, pants or shorts and more, opens like a hairpin, just slide the clip over your folded fabric and hold it firmly when sewing, suitable for machine work and hand sewing. Usage: stainless steel hem clips are engraved markings that can fix the fabric and measure the size when sewing. Perfect for hemming clothes, curtains and much more. Especially helpful for beginners in sewing project. Easy and tidy hemming. Save time and effort. Package includes: Set of 10 hem clips to make sewing easier. Lightweight enough to be flexible and tough, much better than sticking items for general sewing for frequent use.