The Klean Kanteen lunch size Food Box is great for packing a lunch, sandwiches, leftovers, or any food for school, work, or of course our favourite place the beach. With easy to clean, durable stainless steel construction and a food-grade silicone lid, the 591ML/20 oz Food Box is 100% plastic-free. A leakproof silicone lid with a snap-and-lock tab seals tight when pressed into place, with a flexible corner for easy venting. No matter what you eat, The Klean Kanteen Food Box makes a great bento box or lunch box for kids and adults alike. Also great for travel, camping, picnics, school, backpacking, and taking to-go meals anywhere adventure calls like why not get on the road for a scenic picnic on your next day off, the open road is calling. Features: Snap-and-lock tab Leakproof silicone lid Flexible corner for easy venting Made from 18/8 food-grade stainless steel and silicone Electropolished interior Won't retain or impart flavors Won't shatter or rust BPA Free Dishwasher Safe Backed by the lifetime Strong as Steel guarantee