No more spillage! With its patent pending lip around the top, these bowls are designed with an angle that pushes food onto your utensil avoiding spills and overflows. Made of Polypropylene, a plastic polymer that is exceptionally durable and manufactured using partial recycled material. These bowls are microwave and dishwasher safe, and BPA Free. Perfect for serving guacamole and salsa at parties as well as keeping your kids mess-free while eating cereal and oatmeal.