“Simply wash the bottle, then fill the bottle about a quarter of the way up with hydrogen peroxide, put the lid on, and give the bottle a gentle shake,” says Harris. “Remove the ...

Colorways: 21 | Suitable for hot and cold drinks: Only cold | Dishwasher-safe: Only the lid (hand wash bottle) The Stanley Quencher Flowstate Tumbler, commonly referred to as “the Stanley,” is ...