Mash'mallows are super soft and very squishy. Squish and collect your favorite character. The Squish is Hard to Resist! MashMallows are slow rising squishy foam characters that come in a variety of characters for you to collect! Watch as your Mash'mallow is squished and slowly expands back to it's original form! The squish is hard to resist so be quick to collect them all! Squish and collect your favorite character. The Squish is Hard to Resist! MashMallows are slow rising squishy foam characters that come in a variety of characters for you to collect! They are super soft, super squishy, and super slow rising! Watch as your character is squished and slowly expands back to it's original form! The squish is hard to resist so be quick to collect them all!