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When selecting cups for takeaways, cafes, restaurants, or catering services, the choice of cup liner is crucial. The liner affects not only the cup’s performance but also its environmental impact. Two common types of liners are polyethylene (PE) and polylactic acid (PLA). Both serve to make paper cups waterproof, but they differ significantly in material composition, sustainability, and disposal methods. This post explores the differences in cup liners, focusing on PE-lined a