Instant hydration is yours. Stanley combines the best of the best - the IceFlow Flip Straw Tumbler and the AeroLight Transit Bottle, now with a Fast Flow Lid wide mouth design for quick and easy hydration. This one is for your cardio or weight workouts - or when you simply need plenty of water on-the-go. Work up a thirst and find quick refreshment with Fast Flow sports water bottle. The leakproof, angled Fast Flow Lid is designed for quick and easy pouring, drinking and cleaning. Snap the cap into the handle&&';;s integrated holder for storage while you drink. Featuring the easy-carry handle of our IceFlow, AeroLight featherweight technology for on-the-go transport, and our double-wall vacuum insulation to keep your water refreshingly cold for hours. This size is not car cup compatible - compatible sizes are 16oz & 24oz FEATURES: Keeps drinks cold for 24 hours Drinks stay iced for 4 days Created with recycled 18/8 stainless-steel Double-wall vacuum insulation AeroLight(TM) featherweight technology uses spun steel that is 33% lighter than standard stainless-steel drinkware Leakproof Fast Flow Lid is designed for easy pouring, drinking, and cleaning Easy-carry handle with cap holder BPA-free Dishwasher safe Built for Life(TM) lifetime warranty