Now Designs Ecologie Mixing Bowls, Multi, Set of 5 This mixing bowl set includes five nested mixing bowls Diameters of five bowls are: 2.5-Inch, 3-Inch, 3.5-Inch, 4-Inch, 4.5-Inch Ecologie dinnerware is made from 60% melamine and 40% plant fibers These lightweight mixing bowls are feature a smooth matte finish Top rack dishwasher safe and not intended for microwave use