Hydro Flask Standard Mouth with Flex Straw Cap 21oz/621ml - Birch

A cupholder-compatible water bottle with leakproof Flex Straw Cap and boot-easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours. 24 hours cold, 12 hours hot TempShieldi? ? double-wall vacuum insulation Dishwasher safe Leakproof when closed Pure taste, no flavour transfer Fits most cupholders Durable stainless steelDishwasher safe Flex Straw Cap not intended for use with hot liquids Not for use on a stove, in a microwave or freezer Size & Dimensions Volume 621mL Mouth Diameter 4.85cm Diameter 7.28cm Height 23.87cm Weight 320.3g