Joyfully lightweightThe same Hydro Flask insulation and durability you love in a sleek lightweight design. The leakproof Lightweight Chug Cap features a chug style for fast hydration and a perforated airy strap. The narrow chug spout provides a convenient controlled flow to quickly quench your thirst while the wide mouth cap easily fits ice cubes to keep things cool. The smooth sleek bottle easily slides into bags and totes while keeping your drinks cold up to 24 hours.24 hours coldTempShield double-wall vacuum insulationLeakproof when closedChug-style cap with narrow chug drinking spoutWon't retain odors or leftover flavorsDurable stainless steelLightweight perforated strapLightweight aluminum flex pivotsWide MouthDishwasher safeFlex Chug Cap not intended for use with hot liquidsNot for use on a stove in a microwave or freezer