• Flex Straw Cap is leakproof when closed for worry-free, one-handed refreshment

• TempShield® double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours

• Honeycomb™ Insulated Cap ensures maximum temperature retention

• Durable 18/8 Pro-Grade Stainless Steel construction ensures pure taste and no flavor transfer

• Color Last™ powder coat is dishwasher safe and stays slip-free

• Flex Strap makes the bottle easy and comfortable to carry

• BPA-Free and Toxin-Free

• Standard Mouth opening is just the right size for activity

Hello, one-handed hydration. More hydration for more fun with our leakproof, Flex Straw Cap. Our 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. TempShield® double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours.