Red mailbox flags are made of sturdy metal and can withstand hot and cold climates, resist fading from sunlight, and offer a long lifespan. Easy to assemble and install: These red mailbox flags are not universal; ensure your external mailbox has two flag holes—one larger hole measuring 1.2 cm in diameter and one smaller hole measuring 0.6 cm in diameter—otherwise installation may not be possible. The installation process is simple: thread the replacement red mailbox flagpole through the mailbox and secure it with the included accessories. Gravity design: The mailbox flag rises and stands upright by gravity, ensuring smooth operation. Once raised, the flag is less likely to fall down. This design reduces wear on moving parts and effectively extends the product's life. Quickly attract attention and add color and vibrancy to your mailbox with this replacement flag kit. Wide range of applications: Compatible with most mailboxes. The red mailbox flag has a modern look that matches any mailbox style, making it ideal for replacing damaged or missing flags. Use this replacement flag to enhance visibility and add a pop of color to your mailbox. Color: Red Material: Metal Package Contents: 2 x Metal Mailbox Flag Replacement Kits Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.