Hydro Flask products combine the best aspects of modern sport bottles and thermos bottles.
Standard mouth: 48.5 mm
Keeps your drink warm for up to 12 hours
Keeps your drink cold for up to 24 hours
Stainless 18/8 series steel
Does not contain BPA or phthalates
Flex cap
Durable powder coating
Life-long guarantee
Wash with soap and warm water.