From P&C Poolside :

"Rep your favorite milky tea treat with these enamel pins that look just as delicious as the real thing! Regular and matcha boba available.

Each soft enamel pin has a silver claw backing.

Measurements: 1.25 inches tall by .5 inch wide"

These tasty teas are pinned to a hand-illustrated, burnished, carved, ink & printed A6 greeting card with matching envelope inspired by the classic boba tea straw.