Polar Blast IncognitoThe Incognito Polar Blast showcases bong simplicity and innovation at its finest! This dual walled, stainless steel tumbler is insulated and comes with the kind of features that will excite any dry herb consumer. The Incognito lid top is detachable, with a concealable sunken in area, and is made from food grade polycarbonate. At the base of the Incognito bong is a built in grinder and storage combination compartment. This is also made from the same