Hydro Flask Hydro Flask USA 21 Oz Standard Mouth with Flex Straw Cap and Boot White

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. About this item 24 hours cold, 12 hours hot TempShield️ double-wall vacuum insulation Durable stainless steel BPA-Free Dishwasher safe See more product details