Oak Whiskey TumblersA new way to experience your favourite spirit. Our Oak Tumblers provide a rich sensory experience striving to echo the Master Tasters' first dip into the oak aging cask. Our oak tumblers are flame toasted on the inside. This process heat seals the wood grain, and replicates the slightly smokey, oak cask aging conditions of your favourite scotch, whiskey, tequila, vodka, rye or bourbon. You've enjoyed your favourite spirit in an inert glass tumbler,