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They do not. You are thinking of paper cups with a plastic or wax coating.
by ars 6y ago
They do not. You are thinking of paper cups with a plastic or wax coating.
- LeifCarrotson 6y agoThey used to have a wax coating, in just the past decade that has disappeared almost entirely and any recently manufactured cups have a polyethylene (not styrene) lining. Many cups made for hot drinks have polystyrene on the outside, some are multi-layer paper and some have a cardboard sleeve.