A shade of the Owala Stainless Steel Tumbler is quietly 20% off right now at Amazon ... spread the gospel: The 40 oz cup features a 2-in-1 vacuum-sealed, splash-resistant lid, which you can ...

A shade of the Owala Stainless Steel Tumbler is quietly 20% off right now at Amazon ... it still looks almost brand new.” With its size and insulation, you’d think it would be hard on the ...