Lock & Lock, No BPA, Water Tight, Sandwich Food Container, 2.5-cup, 20-oz, Pack of 4, HPL822 (Pack of 4) Capacity : 20-Oz / 2.5-Cup Great as Sandwich container. Microwave, freezer & top rack dishwasher safe Made from highest quality bpa free material for strong durability and safety Excellent airtight and watertight with patented 4-hinge locking system with silicone sealing ring