The ultimate Lid. FlasKap holds up to 5 ounces. It fits on to your favorite tumbler, giving you the ability to discreetly enjoy your favorite cocktail anywhere you go. 100% new. Dispense 1/2 oz of your favorite spirit with each push of the buttonCompatible with most 10oz to 22oz stainless steel tumblers, including YETI® and 40 other popular brands Call or text for fastest response