Reach new heights and new goals with the revamped Hydro Flasks. Redesigned Wide Mouth water bottles feature sleek stainless steel openings to match the look of the standard mouth necks. Even the new design comes with new tricks; hydro flask water bottles are dishwasher safe with a new powder coating. The Hydro Flask Wide Mouth Insulated Water Bottle with Straw Lid has redefined what the classic metal water bottle can be. The 32 ounce and 40 ounce stainless steel water bottle will keep your beverage icy cold or piping hot from trailhead to summit and every step in-between. It is the ideal hydration companion for those long days in the office or a full day on the beach or trail, so pack it in your gym bag or backpack. Whether you're in the Arizona summer or the Alaskan winter, Hydro Flask's TempShield double-wall vacuum insulation will keep drinks icy cold for up to 24 hours and hot liquids hot for up to 12 hours. Hydro Flask's durable 18/8 stainless steel interior is non-porous, with rounded corners to help eliminate bacteria buildup, unwanted odors, and lingering flavors. Please note that the Hydro Flask Straw Lid is not intended for use with hot liquids and is not leakproof. Count on Hydro Flask for hydration on any adventure. This sports water bottle is backed by a manufacturer's lifetime warranty.