The Kase Mate is the iceless cooler designed to wrap around your favorite case of beer, soda, or seltzer— and keep it cold for up to 7 hours! Simply slip, zip & sip your way to fun and convenience, without the hassle of a bulky cooler or ice. #koolerthanacooler Size: 12 Pack. The Pouch is the all-purpose, compact, and convenient cooler made to be used with or without ice so that no matter the road ahead, a cold one's always within reach. Designed to fit a 6 pack of bottles, a 12 pack of standard or slim cans, or loose drinks. Includes 4 versatile storage and is machine washable!