Hydro Flask 21 Oz Standard Mouth W/ Flex Straw Cap

Outdoor ready, cup holder compatible, insulated, reusable—our 21 oz stainless steel insulated water bottle has the good stuff plus our leakproof Flex Straw Cap. Cold drinks stay cold for 24 hours, hot drinks hot for 12, and the built-in straw makes sipping easy.

• TempShield®️ double-wall vacuum insulation keeps contents cold up to 24 hours
• Insulated Flex Straw Cap is leakproof when closed
• Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer
• Color Last™ powder coat is durable, sweat-free and colorful
• BPA-Free
• Dishwasher safe
• Flex Straw Cap not intended for use with hot liquids
• Not for use on a stove, in a microwave or freezer