Stanley’s highly-rated Quencher H2.0 Flowstate Tumbler 30 oz size is currently on sale for $21 in three colors: Stainless Steel Shale, Nectarine and Tigerlily Plum. You can score the beloved Stanley ...

The tumbler also comes with a leak-proof flip lid, which is perfect for hot coffee and tea. And the durable stainless steel build works just as well at maintaining hot temperatures as it does cold.

I ran a test on three popular stainless-steel tumblers: The Yeti 30-ounce Rambler tumbler, the Orca 27-ounce Chaser tumbler and the new Ozark Trail 30-ounce Vacuum Insulated stainless steel tumbler.