Add a touch of color to your cooking routines with this handy Set of 5 Ecologie Nesting Mixing Bowls. These cheerful bowls are made from a plastic-like material which consists of crushed bamboo and rice husks. Completely food-safe and containing no harmful chemicals, these wonderful bowls are as durable as they are beautiful, and as eco-conscious too! Designed to naturally biodegrade in landfills after they've outlived their usefulness, these bowls are at the height of sustainability. Top rack dishwasher safe. Do not microwave. Mixing bowl set includes a 2.5", 3", 3.5", 4" and 4.5" bowl.