ECOlunchbox Blue Water Bento Seal Cup Lightweight Stainless Steel Lunch Container with Silicone Lid &ndash; Leak-proof, Plastic Free and BPA Free, Extra Large This is a single item Round stainless steel food container cup with a no-leak. Capacity 3.25 cups (26 oz.) Measures 6 diameter by 2.75 tall. Non-toxic silicone lid and type 304 stainless container are free of estrogen-mimicking chemicals commonly found in plastics like BPA, BPS, and phthalates. This container is designed for compact storage. You'll see the bottoms are indented so they will stack and nest one inside the other.