Klean kanteen 592ml wide vacuum insulated wcaf cap 20 the popular vacuum insulated version of this line just got even better our insulated wide bottles now ship with our new leak proof caf cap 20 to keep hot and cold drinks safely contained and completely spill free like all our wide bottles and unlike most to go mugs out there this simple elegant bottle is very easy to clean features cap creates leak proof to go mug with one twist few moving parts make cap durable and easy to cl