The best kept secret around is the ASOBU® Moonshine Mason Jar... This 16 oz /540 ml mason jar comes complete with a vacuum insulated stainless steel insulator.. beverages will remain icy cold for hours! A spill proof lid with silicone straw prevents spillage. Easy grip handle complements this must have Mason jar. Fresh N Fun – fill with your favourite Moonshine! Psst....for the tea and coffee lovers the Moonshine Mason Jar will keep drinks hot for hours!