20 Pc Reusable Plastic Food Storage Containers - Lunch Boxes w/Air Tight Lids (Red) Microwave Safe, Dishwasher Safe, and Freezer Safe Saves space and stackable for easy storage They are BPA Free plastic made materials 10 containers + 10 lids Sizes: 4 oz, 10 oz, 16 oz, 24 oz, and 40 oz