• Includes 100 snap button sets, each with 4 accessories: 1 female socket, 1 male pin, and 2 tip rings. • Made of high-quality copper, corrosion-resistant and durable, with a shiny and anti-rust finish. • Presented in a transparent storage box for easy organization and transport. • Easy to install without drilling, with visual instructions included for simple installation. • Ideal for sewing and craft projects, suitable for workwear, children's clothing, shirts, hats, jeans, pet clothing, and more.