Pro-Line's marking flags are designed with durability and visibility in mind, making them an essential tool for a variety of outdoor applications. Measuring 4 inches by 5 inches, these orange flags are constructed from long-lasting materials, ensuring that their bright colors stand out and remain vibrant over time. The unique design features a back-of-flag fold that creates a larger print area for better visibility, while the flag is securely glued to a heavy 16 gauge steel staff, enhancing its resistance to wind tear and ensuring performance even in extreme temperatures as low as -40 degrees Fahrenheit. Whether for locating utilities or marking boundaries, these flags are available in a convenient case of 1000, providing ample supply for any project's needs.