Hydro Flask’s stainless steel ... a leakproof lid, and a straw that ... Kick off the new year on a bright note — especially if you’re a ride-or-die Hydro Flask devotee. This vibrant pink 32 ...

With the Hydro Flask tumbler, you only have the option to drink out of the straw (if you want to keep the lid on, which you most likely do), but with the Stanley's FlowState™ 3-position lid, you ...

With the Hydro Flask tumbler, you only have the option to drink out of the straw (if you want to keep the lid on, which you most likely do), but with the Stanley's FlowState™ 3-position lid, you ...

Lids: The main design difference is in the lids. With the Hydro Flask tumbler, you only have the option to drink out of the straw (if you want to keep the lid on, which you most likely do), but ...

If you already own the old Hydro Flask straw lid, I will say with the authority of someone who's diligently used both that the Flex Straw cap leaks less. More deals from Hydro Flask's summer sale ...

Unlike Owala’s screw-top lid, Hydro Flask’s is a tight-fitting rubber lid, made to pull off. The straw is also included in this design, made of a similar flexible rubber.