Melaboo 3-piece Bamboo Composite Batter Bowl Set is stylish and non-toxic. The set is made primarily from bamboo fibers, one of the most renewable natural resources on the planet. It"s both durable and sustainable making it perfect for your kitchen. It"s also 100-percent biodegradable and compostable. The set includes a 3 qt., 2 qt. and 1.5 qt bowl.