I recently got a great idea for a party I am having. I will get custom koozies . Know what? I think they are great because I can get them custom printed with the date of the party and a funny piece of clip art on them. It’s a sure shot that everyone will decide to keep the koozies because they are a very practical . Whenever we drink beer we always put the bottle or can on a koozie to make sure they stay cold longer in the hot weather. Cool huh?