FRESH: Polypropylene lid creates an airtight seal locking in freshness for ideal food storage QUALITY: Kitchen bowls crafted of high quality & durable professional grade stainless steel CONVENIENT: Nesting bowls are easy to store & silicone bases allow for non-slip mixing KITCHEN ESSENTIALS: Versatile stainless steel bowls with lids are perfect for any task you give it SIZES: Bowl set includes 1.5-quart, 3-quart & 5-quart capacity stainless mixing bowls