W40CFS Hydro Flask 40 Ounce Wide Flex Straw Cap Flip it and sip it with the Hydro Flask 40 oz Wide Mouth Bottle With Flex Straw Cap. With a comfortable, flexible handle, the closeable, leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 for cool refreshment. The insulated bottle easily fits ice cubes and is dishwasher safe. 24 hours cold TempShield double-wall vacuum insulation Leakproof when closed Won't retain odor or leftover flavor Durable stainless steel Wide Mouth opening is ice-cube friendly Bottle fits all Wide Mouth caps and lids Note: Flex Straw Cap not intended for use with hot liquids Size & Dimensions Size: 40 oz Diameter: 3.6" Height: 11.70" Weight: 1.05 lb Product Care Dishwasher safe Flex Straw Cap not intended for use with hot liquids Not for use on a stove, in a microwave or freezer