Hang Tab Packaging: Pins are individually packaged on paper cards inside of protective cellophane sleeves with hang tabs. Two Backing Posts: These pins have two sturdy backing posts to keep them secure. Size: 2" Backings: 2 Rubber backings Enamel: Soft enamel Plating: Black metal These enamel pins are waterproof and UV resistant. Our cute and funny enamel pins make great point of purchase and point of sale fashion accessories for jackets, fitted hats, backpacks, purses, and any other fabrics that need to be personalized. Common uses include birthday gifts, stocking stuffers, and collectibles.