Up to 24 hours for cold drinks
Up to 8 hours for hot drinks
39 fluid ounces
Our flask is very large so you can fill it up with your favorite drinks. The dimensions are 3.5 x 3.5 x 10 inches
While we guarantee our product we are unable to process refunds if your flask is purchased on this site. However, if you purchase a Mad Bomb Flask on Amazon.com we offer a 30 day FULL refund.