U-Konserve Round Medium Food Container 9oz/266ml. These trusted stainless steel round food containers now come with plastic-free, clear-as-glass silicone lids! Perfect waste-free solution for kids lunches, picnics, travel, outdoor adventures and bulk shopping. Our new round containers with silicone lids help reduce single-use packaging, and are versatile enough for all of your food-storage needs at home and on the go. Our round containers are also ideal for kitchen organization, pantry makeovers, meal prep and family leftovers. Flexible silicone lids are easy for little hands to open, and the leak-proof feature keeps spills at bay. Our new non-toxic stainless steel and silicone combination make these lunchboxes the best zero-waste solution for you and the planet.