3 Sizes for Versatile Styling – Includes 40 pieces of 1.75", 30 pieces of 2", and 30 pieces of 2.5" U-shaped hair pins to suit different hair thickness and styling needs. Firm & Secure Grip – Designed with wave grooves to hold hair firmly in place without slipping, ideal for buns, chignons, and updos. Soft Ball Tips for Comfort – Each pin features rounded ball ends to prevent scalp scratching and provide comfortable wear all day. Durable & Rust Resistant – Made with high-quality coated metal for long-lasting performance; anti-rust finish ensures reliability even in humid conditions. Perfect for Daily & Salon Use – A must-have accessory for hairstylists and home users alike, great for weddings, proms, dance recitals, or everyday styling. Get salon-quality styling at home with this 100 PCS black hair pin set! Designed with a U-shape and wavy design for extra grip, these pins come in 3 essential sizes—1.75", 2", and 2.5"—to secure any hairstyle with ease. The soft round ball tips ensure comfortable use without pulling or scratching, while the rust-resistant metal coating adds durability. Whether you're securing a sleek bun or prepping for a special occasion, these hairpins are your go-to solution for firm hold and styling versatility.