Traditional wax coating makes recycling difficult. Modern PE-lined cups are technically recyclable where facilities exist, but rarely are in practice.

It depends . Often decent quaity paper cups are safe for hot drinking which are certificatd FDA/CE food-safe and avoid cups that smell strongly or become soggy quickly.

Environmental harm from deforestation and landfill waste; potential health effects from microplastics and chemical migration with hot liquids.

The Cafe shops can buy paper coffee cups from paper cups manufacturer directly  (e.g., Dart, Solo, Huhtamaki, Nanjing Smile packaging )Or local wholesale suppliers, restaurant supply companies, or directly from China paper cups factory with bulk price (local or international).

More options such as plant-based PLA cups, bamboo fiber paper cups, aqueous coating ppaer cups, ppc-p paper cups, pha paper cups which are good choice for sustainable food packaging | plant-based food packaging.

Most use LDPE (low-density polyethylene) plastic. Some "eco" versions use PLA (polylactic acid) from corn starch. Both may contain processing aids like antioxidants.

Separate lids/sleeves. Only specialized facilities can recycle PE-lined cups. PLA-lined cups need industrial composting. Home composting rarely works effectively.

The paper coffee cups, paper tea cups often with a thin layer of polyethylene (PE), a type of plastic that’s food-safe and provides a barrier between the liquid and the paper to make it safe to use.Short-term use is considered safe, but extended contact (especially >30 mins) with very hot (>95°C) liquids may increase chemical migration risks.