Slim Arctican, that is. Our best-selling Arctican has been elongated to snugly fit your favorite seltzers, specialty beers and other beverages. Simply freeze the cooling core base, twist it on, drop in a cold 12oz canned beverage and enjoy ice cold drinks, anytime. Have an 8.4oz slim can? Slim Arctican comes with a felt sleeve and easy-slide spacer. Simply wrap the sleeve around your 8.4oz can, insert the spacer into Arctican�s base and voil� � you�re ready to sip in style.