FITS 12 OZ SLIM CANS: The Hopsulator Slim keeps it all your favorite standard 12oz slim cans ice-cold 'til the last drop. Works with all slim-style 12oz seltzers, beers, energy drinks, and sodas (does not fit Heineken slim cans) ICE COLD UNTIL THE LAST DROP: Features double-walled stainless steel with an extra copper layer, so that your last sip is just as cold and carbonated as the first. EASY TO USE: Simply push your canned drink into the Hopsulator Slim, and let our Push-Lock Gasket keep it in place; when you’re done drinking, simply pull the can out to replace your beverage