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English definition of “Jiffy bag”

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Jiffy bag

noun [C] uk   trademark us  
a thick envelope for protecting objects that are easily damaged when they are sent by post
Translations of “Jiffy bag”
in Chinese (Traditional) 厚層信封(用於郵寄易損物品)…
in Chinese (Simplified) 厚层信封(用于邮寄易损物品)…
(Definition of Jiffy bag from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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