Fit for whatever makes you move. Our newest Canteen features two sport-savvy sizes, a variety of energetic colors and a durable finish that's made to last. Keeps beverages cold for 25 hours or hot for up to 12. Great for the at-home office, tossing in your gym bag, or just making sure you're getting enough water throughout the day. Has the NASA 'WORM' Logo down the one side.