Joyfully LightweightThe same Hydro Flask insulation and durability you love in a sleek lightweight design. The leakproof Lightweight bottle features a perforated airy style. The smooth shiny exterior easily slides into bags and totes while keeping your drinks cold up to 24 hours and hot up to 12.24 hours cold12 hours hotTempShield® double-wall vacuum insulationLeakproof when closedWon't retain odors or leftover flavorsDurable stainless steelLightweight perforated strapLightweight aluminum flex pivotsWide MouthNot for use on a stove in a microwave or freezerFor Required California AB1200 Disclosure Click Here