U Shaped Hairpin Metal Updo Hair Pin Sticks. Made of high-quality metal, can be reused many times and will not be easily bent or broken. Metal u-shaped clips, have ball points on the end that have a protective coating, not scratch the scalp or hurt hair. Black bobby pins, suitable for thick or fine, long and shorter hair, diy hairstyle or clipping something on hair. Convenient to use, directly inserted into the bun ,holding hair in the places you want it to be.