M&Ms are small, colorful candies that have a hard candy shell and a chocolate center. They were first introduced in 1941 and are produced by Mars, Incorporated. The candies come in various flavors, including milk chocolate, peanut, and almond, and are often recognized by their iconic "M" printed on one side. M&Ms are popular for their fun colors and are often used in baking, decorating, and as snacks. They are available in various packaging options, including bags and bulk containers, making them a favorite for parties and celebrations. The brand has also expanded to include seasonal and limited-edition varieties.