?STURDY HAIR PIN FOR PINNING UP HAIR: The u-shaped hairpin is made of high-quality metal, there are wavy folds on both sides, so that it will firmly hold your hair and will not slip. u pins which can be reused for a long time and is not easy to break. High quality smooth coating can ensure smooth insertion into the hair without hurting the hair don't pinch or pull hair | ?HAIR PINS EASY TO USE AND REMOVE: U shaped hair pins are open ended. slide it in a little, then turn and slide it the other direction. bun hair pins are non-damaging, unlike regular pins which rub against your hair causing damage, great hair pins for updos, hair pins for women hair accessories | ?ROUNDED TIPS PROTECT SCALP: These hair bun pins possess small ball ends which can prevent from scratching the scalp when applying; silver hair pins designed with wavy u shape makes it hold your hair firmly and easy to shape the hair | ?STURDY HAIRPINS WITH STORAGE BOX: 330 count u-shaped hairpins are placed in reusable boxes, which will not become scattered and can be easily found. sufficient quantity can meet long-term and frequent use and sharing with family and friends. french hair pins box is sturdy and easy to open | ?WIDE APPLICATION: YINGFENG u shaped hair pins are perfect for all kinds of hairstyles - buns, updos, braids, hair bumps, etc. and suitable for daily wearings, activewear, business, casual, dance, performance, christening, party/cocktail, travel, weddings, salon, workwear etc. hair pins for thick hair