Mix your food ingredients easily with the Pyrex Smart Essentials 8-piece mixing bowl set. It has 4 mixing bowls with different capacities such as 1 quart, 1.5 quarts, 2 quarts and 3 quarts. These bowls are made of high-quality Pyrex glass that"s resistant to stain and odor. They"re see-through bowls, so you can see what is stored in them. They nest within one another for compact storage. These glass bowls have locking lids that are made of BPA-free plastic. The lids come in different colors such as teal, orange, blue and red for easy identification. The bowls are dishwasher and microwave safe.