Slim-These fit your Mich Ultra and Seltzer slim cans.  These are done in vinyl.  
Regular-These fit regular 12 oz cans like Coca-Cola.  They have the Smokey the Duck, Hunter's Mascot, and Hunters signature.  They are foam koozies. For the Camo Koozies, please specify if you want the slim size.  The sage green ones are also slim size.  All others are regular size koozies.