|This thief steals beads and disappears if you touch him!|
— Patch Plaza
Sneak Sack is a bag-shaped enemy which appears in Kirby's Epic Yarn and Kirby's Extra Epic Yarn. He has a single button eye and pants continuously as he constantly runs round. While active, he will attempt to run away from Kirby and Prince Fluff, and will disappear after a short while if not defeated. If defeated, he will drop a great number of Beads.
Sneak Sack can be found on occasion by unraveling a Swadclod.
Sneak Sack can be found in the following levels and stages in Kirby's (Extra) Epic Yarn: