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👉🏻How to wash a tumbler thoroughly Hello, this is Unfinished Space :) A lot of people use tumblers because it's summer, right? I make iced coffee at home and take it to work. Because of that, there's always residue left on the lid. ㅜㅜ These residues can create bacteria. That's why you have to wash them more carefully. Today, I'm going to tell you how to clean a tumbler lid neatly! #Olife #오라이프4기 #오라이프살림 #텀블러 #텀블러세척