Features: The compartment is large,They are not as heavy as typical Tupperware-type containers, but not as light as takeout -- somewhere in the middle. They are perfectly sectioned,though the top nearly meets the bottom, there is still a little room to leak through, but not much.They are not disposable.This is a lifesaver for preparing meals ahead and reheating in same dish.It's great for portion control, is durable and easy to clean. Material: Made exclusively from FDA Approved and BPA Free materials. New food grade PP material, more transparent, more safety: Each airtight lunch box containers is made high-grade plastic injected molding to ensure maximum durability, flexibility and minimal cracks to prevent damage common among other competing products Safe: Safe to Microwave, Freeze, and use in the dishwasher (top shelf) over and over, withstands temperature from -40°F to 320°F (Or -40°C to 160 °C) Usage: Use them for your main course, salad and dessert and enjoy your meal everywhere, hassle free. Each meal prep container can store a total of 32oz which are the perfectly controlled portions to stay full, yet fit and healthy! They are perfect for packed lunches or leftovers. They feel heavy duty so I know they will last. These are much larger than I expected! They are great for meal prepping for the week and portioning out leftovers Warranty: If the item do not meet your need, our customer service are free-hassle for you to resolve your issue with the lunch bowls 5 Pieces.