We may be a funny group that loves to talk about our cäk (pronounced like rack, sack, or jack), but these kitchen grade stainless steel tumblers are NO JOKE. Our cups are double-walled, insulated, vacuum-sealed and super tough. They keep your cold drinks cold without getting sweaty and hot drinks hot without over-heating your hand… and blah, blah. Our cäk is built for all kinds of indoor and outdoor fun like Netflix and chillin, cocktail parties, tailgating, boating or power lounging on the dock. With proper cak-care, you will be rewarded with years of enjoyment because just like you, we like to Hang Hard.