We had a variety of sizes and models for clamshell lunch box,made by PP+Mineral material,Food grade, BPA free.White Hinged Containers are very hot sell.Sturdy nice quality, with two snaps close,high stack safe, good containers for take out food packaging and delivery.Microwavable to go food containers, ready meal or prep good choice and freezer safe. Meal Prep Containers best choice and can be reusable. Dishwasher safe, these white clamshell meal boxes can be dishwasher safe, save your wash time.