High Quality Large Head Pins: Our Map Pins Are Constructed With High-Quality Stainless Steel Needles and Durable Plastic Round Heads. The Combination of These Materials Ensures That the Pins Are Long-Lasting, Rust-Proof, and Reusable, Providing You With Reliable and Sturdy Performance. Quantity: You Will Receive a Total of 400 Thumb Pins, Which Are Designed to Meet Your Daily Needs. These Thumb Pins Come Conveniently Packaged in a Compact Storage Box, Making It Easy to Store and Organize Them for Future Use. Size Information: the Round Head of Each Pin Has a Diameter of 5mm, While the Needle Length Measures 11mm, Resulting in a Total Length of 16mm. This Size Is Perfect for Various Applications and Provides Optimal Functionality. Powerful Pushpin: Equipped With Stainless Steel Tips, These Pins Have Excellent Penetrating Power. They Can Easily Be Inserted Into Cardboard, Cork Boards, Foam Boards, and Other Similar Materials, Securely Holding Your Items in Place. Widely Used: Our Thumb Pins Have Versatile Applications. They Can Be Used to Fix Notes, Photos, Papers, and More Onto Soft Boards, Bulletin Boards, and Even Serve as Map Markers or DIY Decorations. These Pins Are Ideal Tools for Use in Homes, Offices, and Schools, Various Needs and Projects.