Each set has one each: 20-ounce, 1.5-quart, 3-quart, 5-quart, and 8-quart bowls. The extended lip at the top of the bowl gives you a secure grip during mixing and makes pouring ingredients a breeze. Silicone base provides added stability while mixing and protects your countertops from scratches. Airtight lids keep ingredients fresh so you can prep items in advance with ease. Bowls may be nested within each other for more compact storage solutions. Resists corrosion, and will not react with any ingredients that you place in the bowl, making it a versatile alternative to other materials.