Jiffy bag™
noun/ˈdʒɪfi bæɡ/
/ˈdʒɪfi bæɡ/
- (British English) a thick soft envelope for sending things that might break or tear easily
衬垫信封（用于邮寄易碎或易受损物品） - (South African English) a clear plastic bag used for storing things in, especially food
透明塑料袋（贮存物品，尤用于盛装食物）