Our best-selling bento! The Three-in-One is a three-piece nesting bento lunch box set. This nifty bento container makes it easy to pack a variety of foods and keep them all separate - and safe from squishing! Our Three-in-One is perfect packing a healthy entree and two side dishes. The Three-in-One is modular. You can pull out the snack container and use it separately, freeing up more space in the upstairs for more food. 100% high-quality, food-grade stainless steel. Durable design uses 100% food-grade stainless steel 201 3 piece nesting bento set. Includes upper and lower food containers plus a snack container Three different sections keep food from touching and mixing. Also, these collapsible lunch containers great for portion control 31 oz capacity (3.8 cups) Total. Bottom section: 12 oz capacity (1.5 cups). Top section: 14 oz capacity (1.75 cups). Snack container: 5 oz capacity (.75 cup). Measures 4" wide x 5.5" long x 2.75" high Tare Weight: 16 oz Great for back to school!