Lightweight 450ml & 15 Fl Oz Borosilicate Glass Bowl with Protective & Insulating. (keep Cool) Sustainably Sourced Wood Fibre Base & Stainless Steel Metal Lid. 100% Leakproof. Microwave Safe, Including Wood Fibre Base for Easy Handling When Hot (*not Stainless Steel Metal Lid). Oven Safe Glass & Silicon Lid (*not Wood Fibre Base). Dishwasher Safe. Freezer Safe. Bpa Free. Minimum Quantity: 25.