Collectible M & M's MugsWith M&M mugs you will never drink coffee alone. The silly faces of the playful M&M characters will always be smiling back at you. With these mugs you can pick your favorite M&M character to share your favorite beverage with. There are plenty of ways to show off your M&M mug. You can buy one of their holiday themed mugs and fill it with peppermint sticks, or display empty mugs like the collectibles they are. Some affordable M&M mugs are so cheap that they cost less than the price of a cup of fancy coffee.