Plastic-free and leak-proof, the Seal Cup™ Trio is a three-piece lunch and snack container set ideal for packing a variety of foods. Made from steel-and-silicone, these containers are non-toxic, environmentally-friendly materials and conveniently nest for easy storage. You can pack up to a total of 5 cups (40 oz.) of food in this lunch box set. Pair these with one of our organic cotton lunch bags to make your lunches greener and our oceans cleaner. Large container measures 4 3/4 inches diameter by 2 1/4 inches tall. Capacity is 20 oz. (2.5 cups). Tare weight is 4.4 oz. Medium container measures 4 1/8 inches diameter by 2 1/8 inches tall. Capacity is 12 oz. (1.5 cups). Tare weight is 3.1 oz. Small container, which is also sold separately as the Seal Cup Solo, measures 3 1/2 inches diameter by 1 3/4 inches tall. Capacity is 7 oz. Tare weight is 2.1 oz. Ideal for back to school assortments