Wide Mouth Flex Cap
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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.
Compatible with our Hydro Flip™ Lid and Wide Mouth Straw Lid.