Chex is a brand of snack cereals produced by General Mills. It is known for its distinctive square shape and crunchy texture. Chex cereals come in various flavors, including Rice Chex, Corn Chex, and Wheat Chex, making them versatile for snacking or as breakfast options. In addition to being enjoyed as a cereal, Chex is often used in recipes, such as the popular Chex Mix, which combines the cereal with nuts, pretzels, and seasonings. Chex cereals are gluten-free, appealing to those with dietary restrictions, and are a popular choice for both kids and adults.