18oz (532mL) Standard Mouth Flex Cap Standard Mouth Ceramic lining delivers a smooth

Ceramic lining delivers a smooth flavor profile

The insulated Hydro Flask 32 oz Travel Tumbler cup is here to hydrate more and refill less

High heat- and break-resistant

Our Packable Bottle Sling keeps a low profile when not in use

12 oz Volume 354 mL Mouth Diameter 7

18oz (532mL) Standard Mouth Flex Cap Standard Mouth Ceramic lining delivers a smoothYour daily sip. Stainless steel and cupholder compatible, the reusable, refillable 18 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. 24 hours cold, 12 hours hot TempShield double wall vacuum insulation Leakproof when closed Pure taste, no flavour transfer Durable stainless steel Fits most cupholders BPA Free Dishwasher safe Not for use on a