In other words, plastic and stainless steel each have their strengths. On the one hand, plastic boxes are often cheaper, lighter weight, and come in a variety of sizes.

LunchBots design and use The stainless steel boxes are dishwasher safe. LunchBots My Small Protein Packer Box is 5.5 inches by 4 inches by 1.5 inches, and it has four compartments inside.