These bobby pins are handy and reusable made of good quality metal and double smooth-coated, rust resistant, not easy to break or fade after applying for a long time. These hair pins are wavy designed on one side, have a good grip and won't slide off. Great for all-day hold. These hairpins have small round ball ends, which prevents from hurting your hair and scratching the scalp when applying. Fit for most people and different ages, suitable for daily wearing and many occasions, such as parties, meetings and so on, can be applied to DIY your hairstyle by yourself at home, like up-dos, buns, etc.