Q: Is the wax coating on the inner liner made of paraffin, polyethylene, beeswax, or some other form of wax?
A: the manufacturer, unfortunately, does not list that spec on their information but it appears to be a paraffin wax coating
Q: I am looking for 38mm metal caps with a rubber seal, not a cardboard seal.
do you have any?
A: We only carry 38mm Polyseal Screw Caps aside from these.