Backings: 2 Rubber Backings
Enamel: Hard Enamel
Shipping: All orders ship same-day or next-day, and typically arrive within 2-3 days of ordering.
Standard backings are either Rubber or Metal Butterfly backings. These will securely hold your pin on, but locking backings are almost guaranteed to keep your pin in place. Think of them as 'pinsurance' for your most prized pins.