21oz Bottle w/ Flex Straw Cap

Ideal size for all-day hydration
Fits most backcountry water filters
TempShield insulation keeps beverages cold up to 24 hours and hot up to 12 hours
Durable 18/8 Pro-Grade Stainless Steel construction
BPA-Free and Phthalate-Free
Dishwasher safe
Compatible with our Wide Mouth flex sip lid and Wide Mouth straw lid.
Lifetime Warranty