We have all heard of them and have been at the either receiving or the giving end of this benevolent product. They are one of the most popular items in the promotional product segment and have become the popular choice owing to the highly beneficial attributes they possess. They are indeed an economical and cost effective solution to all sorts of promotional requirements. You might have had a hint of the topic of discussion by now. Yes we are talking about the very popular printed mugs. After the roaring success of these printed mugs as a promotional product it becomes essential to know as to what makes these printed mugs the very best.