Concealable Undetectable Flask Kit for Cruise (8x 32oz flasks, funnel included) Easily sneak beverages onto cruise ships or into sporting or other events. Save a ton of money by avoiding pricey drink purchases! Made with BPA free plastic so as not to affect the taste of your drink. High quality materials are leak proof and puncture proof! Our 8x 32oz flask kit is the best value out there!