Waffling is the repeated design on the back of many official Disney pins, this article explains a little more about it.
Unboxing Disney Whimsical Waffle Mystery pins ✨ Disney Park pins
PinPics Free Disney Pin Trading Database
WDW - Starter Pin and Lanyard Set - WDW 35th Anniversary - Figment on Teal
Disney's New Whimsical Waffle Pins Are Adorable!
Pin #3135 -- is it a scrapper?
Oliver - Disney Cats
NEW Disney Mystery Pin Unboxing of the Whimsical Waffles
Disney Cats pin set - Figaro
Pluto Disney Pin Trading 20th Anniversary
Goofy and Pluto iridescent - Walt Disney World 50th Anniversary
28524 - Mickey Waffle - Holiday Gifting