Norpro Bamboo Melamine Ribbed Bowls Set of 3: 4-quart/3.8-liter, 3-quart/2.8-liter, and 2-quart/1.9 liter Bamboo with durable melamine Lightweight, durable and stain resistant The set is top-rack dishwasher safe, but not microwave safe Functional and attractive; bright warm tones cheer as you mix brownie batter, scramble eggs, or any other mixing