Ishida sat on the floor in Urahara's shop, holding a piece of paper with the riddle he read over again:

You can tumble in it,
Roll in it,
Burn it,
Animals eat it,
Used to cover floors,
Still used beyond stall doors.
Freshens whatever it is placed on,
Absorbs whatever is poured into it.
What is it?

Ishida sighed, "Damn..."