quality material: These map pins with colored heads are composed of plastic head and stainless steel material,which are safe and sturdy to use,not easy to bend or break, suitable for both office and home use. Package include: 600 pcs multi-color push pins map tacks, 10 colors map tacks, 60-count for each color, Packed in a small reusable clear container case. they are very convenient to store and enough enough quantityfor meeting your needs to pin somet. easy to use: The map tacks are durable and sturdy, map tacks push pins have a pointed tip for easy pushing and stay firmly where you push, also have a plastic head for easy grip. due to the sharp needle, be careful when removing it to prevent puncturing your hands. wide application:These push pins for map are suitable is suitable for a variety of scenes,widely used in home, office and classroom.help improve your work or study efficiency ,keep your desktop or desk drawer clean and tidy. push pin with round head are suitable for notes, pictures, photos, paper, maps, posters and other lightweight items on cork boards. We believe that our map tacks, will exceed your expectations. If you have questions, please contact us any time. We will try our best to solve your problems.