【HIGH-QUALITY U-SHAPED HAIR CLIPS】 These U-shaped hair clips are made of durable iron metal, with a double smooth environmental protection coating, rust-proof, and are not easy to break or fade after long-term use. , 【SAFETY USE OF HAIRPINS】There are small round balls at both ends of the hairpin to protect the hair from being scratched. The surface of the body is smooth and easy to insert. Each hairpin adopts a wave design, which is beautiful and generous, and it can prevent falling off with enough resistance and tightening.