Their shape and look can resemble some homemade soap bar slices. At room temperature, their sweetness and texture reminds me of microwaved red bean cake. :meow-melt:
They came in a variety of looks. They could be one solid color, opaque, slightly translucent, have red beans and/or black sesame inside, or be striped like the above pic. Mainly saw them in the colors white, green, brownish-red, brown, pink, and dark grey w/ black specks.
I havent had it since I was a kid, but I remember it being soft. I dont know if stretchy is the word I would use but certainly sort of squishy. Anyways hope you find what you are looking for.