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Why do some coffee cups have bumpy textures on the outside?

Author:MINGYUAN Paper Cup Machine SuppliersFROM:Disposable Cup Machine Manufacturer TIME:2025-08-25

This design is to add a corrugated paper sleeve to the single-layer cup to form a double-layer insulation structure. The corrugation can enhance the heat insulation effect, prevent slipping and scalding, and make the cup more solid and not easy to deform, especially suitable for taking hot drinks away.
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Manufacturer Address:No.1588, Huaming Road, Feiyun Street,Ruian City Zhejiang Province -325200 China

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