The 54 pieces of durable plastic food storage containers are great for daily meal-prepping and help support eco-conscious decisions. Each leak-proof container resists stains and odors which makes the cleaning easy to do. All portion-control containers are great for organizing your daily nutrition intake and budgeting! Stack them up to save up space or take them out and use them as a lunch box or food container. Microwaveable with lids that aren't fully sealed.Can be reused, disposed of, and recycled. Great for leftovers, dry snacks, baby food, etc! Microwave, freezer, and dishwasher safe. BPA Free. Each plastic food storage container is stackable and can be easily nested which helps with minimizing clutter.