Because you can't make your actual face gold. Or, at least, you shouldn't.

Earrings Gold Plated Face 62mm(2 4/8") x 47mm(1 7/8"),

Post/ Wire Size: (20 gauge), 1 Pair (B0095037)

Material: Zinc Based Alloy (Lead & Nickel Safe)

Color: Gold Plated

Note: Size is approximate. Color discrepancies may occur between this product and your computer screen.