Wide range of use: This map pins are perfect to use , office, school. Use on cork boards, travel maps, foam board, bulletin board etc. Not recommended for using on cement wall. Material: Made of flag shaped hard plastic and steel straight pins. Nickel-plated steel pins are both and exquisite. Also, it is not easy to be rusty. of the map flash push pins are extra sturdy and pointy enough for easy to stick into maps, bulletin boards etc. It is easy to organize you pins and help you save space. You can also use to store the small items in your life. map flash push pins are .These flag map pins are good to mark locations on maps such as office locations, places visited, places to visit etc. Also,it is perfect to make plans, using different colors to mark what thing you have do, what thing to do and identify what is the most important and the least important, helping you work efficiently. The push pins are fit for activities, geography lessons, pinning up travel photos on cork board and so on. Quality: 400 pieces colour:Yellow + Orange + Red + Green + Blue + Purple + Black + White Material:plastic size:Flag size: 11*18 mm (0.422*0.708 inch) Pin length: 24 mm (0.944 inch) Package Contents: 400*Thumbtack Note: Small parts, please keep them away from children under 3 years old. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.