“We've had ours a few years now with no signs of problems so far.”

100% of 8 verified owners recommend the Hydro Flask Standard Mouth 21 oz.
“We've had ours a few years now with no signs of problems so far.”
“Double walled and keeps drinks cold and hot for a really long time.”
“Ever since Hydro Flask came out with a leak proof straw lid for the standard mouth, I hardly want any of the wide mouth offerings anymore.”
“They are very well made and have a nice powder coat finish.”
“it works great. Keeps water hot or cold all day.”
“it fits in the center cup holder with no modifications.”
“The dual wall stainless steel insulation is fantastic.”
“I've got one of these and love it!”