These sweater clasps go by many names: Sweater Clasp, Sweater Frog, Sweater Closure. No matter what you call them, they're an excellent, stylish substitution for buttons!
This is the Ava closure and is available in copper and silver. It is 1.8" tip to tip, and 0.8" tall. They are easy to secure to your cardigan, shawl, or hat!