These had a real strong styrofoam look to them when we were throwing them, hence the name. Keep them, stack them, love them.
All pots are food safe and completely fine in your microwave / dishwasher! Each pot is made from our two hands meaning there will be slight variance in shape and size (which in our biased opinion is the best part).
4" tall x 3-3.5" wide. 10oz volume.