The Medium Trio’s three compartments are custom designed to fit a 1/2 sandwich and 2 small sides. Our best-selling stainless steel bento box for young kids and small appetites makes it easy for moms and dads to pack a variety of foods. 100% stainless steel interior, including the lid. No plastic touches your food. Dishwasher safe for an easy clean up. This product is not leak proof. We recommend packing dry foods only. Dimensions: Container: 6" x 5" x 1.75" | Large section: 3" x 5" | Small sections: 3" x 2.5" Material: 304/18/8 food-grade stainless steel