Durable 18/10 stainless steel with a brushed finish bowls have a silicone base to prevent bowls from sliding on the countertop. Bowls come with plastic lids, making them handy for storing and transporting foods as well as mixing and prep work. Plastic lids for airtight food storage. Interior etched measurement markings. Set includes 0.65, 1.5, 3 and 5 Qt capacity.