Choice Prep 2 Compartment Containers - 20 Pack 2 COMPARTMENT - PORTION CONTROL - Our food containers come with two compartments. The large side is 600ml (21oz), and the small section holds 400ml (16oz). These volume differences help you with controlling meal size and potions. STACKABLE & LIGHTWEIGHT  Very durable yet lightweight lunch boxes, makes for a very convenient meal saver. These boxes are also stackable so they wont take up room when storing for later. MICROWAVE & DISHWASHER SAFE  Our bento boxes are microwave and freezer safe, and they are even good to use in a dishwasher. We use only the best and most durable plastics for our containers, so they can be reheated and stored in the freezer. REUSABLE & SAFE  Use our containers over and over again, the plastic wont wear and it is BPA safe. BEST VALUE ON AMAZON  We proudly offer the best priced meal prep containers on the amazon marketplace. Our price per piece cannot be matched. We also offer a 100% money back guarantee if you are not completely satisfied.