OmieBox UP is a hot-and-cold bento box built for big kids. Big kids want a real meal: one big main plus something on the side. That’s why it has a 12oz thermos for a hearty entrée and a roomy side compartment for fruit or chips. It’s all packed into a sleek, grown-up design that keeps food at the right temperature - hot and cold!Thoughtfully designed for ages 9+ INSULATED LEAKPROOF When you choose Omie, you’re choosing a brand you can trust, one that puts care, quality, and kids first. We studied how big kids eat and designed the only bento box that works from age 9 through high school. Big Appetites, Real MealsAs kids grow, their eating habits change. They want a hearty main dish and a little something on the side. OmieBox UP gives them exactly this with a 12 oz thermos that’s 40% bigger than the original OmieBox. OmieBox UP can fit a whole sandwich, and the side compartment fits a filling portion of fruits, salad, or a crunchy snack. No clutter, just the right amount of food. Hot + Cold, Packed Side by SideOmieBox UP keeps the winning formula—hot and cold foods in one box—and adds a built-in ice pack to keep fruits, veggies, and snacks chilled ‘til lunchtime.Built to Be TheirsOmieBox UP is made to feel personal. With a D-ring for clip-on charms, a spot to attach the matching utensil set, and room inside for dip containers, kids can make it their own. A range of accessories (sold separately) lets them customize their lunchbox to match their style, their routine, and their favorite snacks. It’s a lunchbox that works hard and shows off a little personality, too. Weight: 1.7 lbs. Dimensions: 8.5 x 5.25 x 3.5 inches Box volume: 39.3 oz., Thermos volume: 12 oz. Materials: 18/8 304 grade stainless steel, food grade plastic & silicone e BPA-free and Phthalate-free FDA, CPSIA, CPSA compliant Inner tray is top rack dishwasher safe We recommend hand washing all the other parts to keep OmieBox® UP in tip top shape for years to come Remove gasket and lid seal for cleaning after each use Do not microwave or place in oven or stovetop Do not boil the thermos