This Black and Blum Rectangular Microwaveable Multifunction Food Box Stainless Steel Large is leak proof, dishwasher and oven-safe, and comes in a range of sizes for breakfast, lunch, and everything in between. Lightweight, airtight and durable, they are perfect for meal prep, food storage, or simply eating on-the-go. Innovative microwave-safe steel box * Leak proof + airtight vacuum-sealed lid lock keeps food fresher for longer * Nestable (3 sizes) or stackable (same size) for easy storage * Semi-transparent lid to see your meals clearly * High quality stainless steel * Dishwasher/Oven(exc. lid)/Freezer-safe * Easy-clean: fully removable seals * High performance: lid lock vent means lid can stay on when microwaving which reduces heat (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 Size: Large Dimensions: W 16.2Cmx L 20.5Cm x H7.9Cm