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 1.2 cm in diameter and the other 0.6 cm in diameter—otherwise installation may not be possible. Installation 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. The flag remains securely upright and is less likely to fall once raised. This design reduces wear on components during use, helping extend the product's life. Quickly attract attention and add color to your mailbox with this replacement flag kit. Wide range of applications: Compatible with most standard mailboxes. The red mailbox flag has a modern appearance and fits any mailbox style, ideal for replacing damaged or missing flags. Use this replacement flag to enhance visibility and add vibrancy 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.