The attachment that came with mine is for use with canning (Mason) jars and lids. As long as a canning lid will fit the mouth of the jar you are using, you can seal it.
The kids loved watching the marshmallows. First they expand, then they shrink down to nothing. Pop the lid and they puff up again.
The kids loved watching the marshmallows. First they expand, then they shrink down to nothing. Pop the lid and they puff up again.