On a conveyor belt that whisks them away to be stamped with the signature M the actual process for applying each M is similar to the offset printing process. So well how does this work in a nutshell

Is this product kosher? Yes! M&M'S Milk Chocolate Candies that are produced and sold in the United States are kosher.

In order to maintain the quality of our products, please store the chocolates in a dry place, away from direct sunlight and humidity.

Mars and Murrie M&M stands for Mars and Murrie - named after Forrest E. Mars Sr. – the founder of Mars – and Bruce Murrie, the son of Hershey Chocolate's president William F. R. Murrie.

In contrast, the M is actually made of an edible paper that is not water soluble, so it does not dissolve in water. But once all the dye (which essentially acts like a glue for the M to stick to the candy) has dissolved, the M detaches from the candy and floats up to the surface of the water.

"M&M's are not suitable for a halal diet. We use additives that come from animal products when we're making M&M's and traces of these can be found in sweets.

"M&M's are not suitable for a Halal diet. We use additives that come from animal products," the chocolate manufacturer wrote in a tweet.

M&M'S Milk Chocolate Candies are labeled "May Contain Peanuts"– does this also apply to custom printed M&M'S Milk Chocolate Candies? Custom printed M&M'S Milk Chocolate Candies are made in facilities that also process peanuts so all packages and party favors are labeled "May Contain Peanuts".

Unfortunately, no. M&M's are not suitable for a Halal diet. The company uses additives that come from animal products. What are the typical breakfasts in Turkey, Saudi Arabia, and Pakistan?

The two 'M's represent the names of Forrest E. Mars Sr., the founder of Newark Company, and Bruce Murrie, son of Hershey Chocolate's president William F. R. Murrie, who had a 20 percent share in the product.

M&M'S had become so popular by 1950 that an ingenious solution for consumers to distinguish the real M&M'S from inferior imitators was to stamp each candy with the now famous "m". The slogan "Look for the m on every piece" was created.

Today, about half of the production of M&M's occurs at the New Jersey factory, and half at the Tennessee factory. Peanut M&M's were introduced in 1954.