Secret Flask Looks Like an Ice Pack. Great Hidden Flask for Coolers, Discreet Flask for Work, and Disguised Festival Flask. Also a Reusable Flask and Disposable Flask (1) FULLY ENGAGED STEALTH MODE! Your secret flask holds 14 oz. and can easily be a hidden flask in a cooler, bagged lunch, or even the work freezer. SECRET FLASK IS GREAT FOR coolers, bagged lunches and freezer shelves. Bring your hidden flask to the beach, to concerts in the park, the fishing boat, anywhere you might get a little thirsty. FOOD SAFE PLASTIC. Your hidden flask is a safe and BPA-free reusable flask or disposable flask. How often you use it, and for how long, is entirely up to you. EASY TO CLEAN. Add a few drops of soap into your secret flask and then fill to 3/4s full with water. Tightly seal the cap and shake. Empty and rinse your hidden flask until the water runs clear. ADD TO CART NOW TO start the series of the best decisions you have ever made in your life. Congratulations!