SIMPLIFIED STORAGE: Bowls nest neatly and include Glass Lids for easy coverage. BUILT TO LAST: Durable stainless steel and glass lids built for daily mixing and prep. EASY TO USE: Lightweight with an intuitive rim for steady mixing and transferring. NON-TOXIC MATERIALS: Made without PTFE PFOA PFAS lead and cadmium. Rust-resistant stainless steel for daily prep and electric mixers. Glass lids keep food covered and make storing simple. Bowls stack neatly for organized cabinets and clutter-free counters. Recommend hand wash.