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  • How are reviewers describing this item?
    hot, cold, great, easy and best.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 2,725 reviews as of our last analysis date on Jan 5 2018.
Reviews Summary

Warning: if you plan to drink it next morning, don't pour in boiled water

Keeps the water warm (even hot) for a really long time

Love this color and high quality :) aside from the instructions in japanese, which are useless, the product performs very well, and keeps liquids hot or cold for my entire work day

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