Q: Are these containers recycling friendly?
A: Thank you for your question.
These jars are made from Polypropylene.
This is not a popular material in the waste stream.
Some communities will take all types of plastic, others only take types #1 and 2.
We suggest you consider our glass concentrate jars if recycling is important.
Q: What is the volume of this jar in milliliter?
A: The .25 oz jar holds about 7.5 ml and the .5 oz jars holds about 15ml.