Material: These push pins are made of high-quality plastic and nickel-plated metal, ensuring durability. Rose gold color, exquisite and beautiful, with transparent plastic for a crystal-clear look. Features: The push pins come with a transparent storage box. Each box contains 100 push pins. Easy to store, reusable, nickel-plated and rust-resistant, ensuring long-term storage without rust. Uses: Ideal for marking; they have strong penetration power, helping you easily mark data, information positioning, and messages on corkboards, etc. Suitable for school, home, and office use. Dimensions: The diameter of the round plastic head is 10mm, the needle length is 10mm, and the total length of the push pin is 20mm. The transparent storage box measures 106 * 73 * 19mm. DIY: Round head design, easy to use and press. Use these push pins for crafting, making artificial petals, decorations, small gifts, etc.