100% multi-functional lunch bowl, oven dish & food storage. Made from durable stainless steel and polypropylene. Vacuum seal for 100% leakproof, airtight storage. Oven and freezer safe. Features Microwave-safe steel box + lid. Leak proof + airtight vacuum-sealed lid lock keeps food fresher for longer. Compact Storage: All boxes and lids are stackable. Semi-transparent lid to see your meals clearly. Dishwasher safe - All parts are dishwasher safe. Lid on the top rack only. Hand washing will prolong the lifespan of the product. Oven (exc. lid), Microwave & Freezer-safe. Easy-clean due to its fully removable seals. High Performance: Lid lock vent means lid can stay on when microwaving which. reduces heat time (compared with other stainless steel containers), and prevents splattering. (no need for single-use cling film). Multifunction: Meal prep, food storage, on-the-go lunch box, oven container. BPA-Free. Specifications Materials: Stainless steel (304/18-8), BPA free polypropylene, Silicone Capacity: 950ml Dimensions: 17cm x 17cm x 8.2cm Weight: 270g