Tumbler works great. Makes it shine again! slimmer than most other now popular products. Wished klean kanteen had not stopped making these tumblers cos my understanding is they don’t make even these anymore in the size i have.

The insulation is excellent with no sweating on the outside and a wall temperature very near ambient. It keeps my selected beverage cold for infinity, or alternatively, hot for not-quite-infinity-but-still-a-long-time.

The klean kanteen double wall vacuum insulated stainless steel tumbler cup comes in two sizes, 16 ounce and 20 oz. The 16 ounce size fits into a keurig so that's handy.

Easy to clean cup and lid, no nooks etc accumulating gunk. The exterior wall is pretty thin (not to the touch), but if you drop it it will get dents pretty easily. It's better for home/office use rather than travel.

This products info is alot of dishonest hype. It's less than a month, and i now have two rim stains on the inside of the stainless steel that do not come off with multiple washing by hand. The cup scratches easily so you might be better off buying the...  Read More

This insulated cup is not made for coffee. A better lid design that actually seals the cup would have been nice. The logo is printed very crooked, not just a few degrees.