Hydro Flask's 32oz leakproof Flex Straw Cap�easy to fill, easy to drink. Open it up, add your ice, and flip to sip. TempShield double-wall vacuum insulation keeps drinks 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. Wide Mouth opening is ice-cube friendly. Color Last powder coat stays clean and bright. BPA-Free. Big enough for a whole day on the river or trails Flex Straw Cap not intended for use with hot liquids.

• TempShield double-wall vacuum insulation keeps drinks cold up to 24 hours.
• Pure taste, no flavor transfer
• Wide Mouth opening is ice-cube friendly.
• Durable stainless steel
• BPA-Free.
• Fits most cup holders
• 32oz
• Hand wash only