Leberna Stainless Steel Insulated Double Wall Vacuum Flask Food Jar Mug 29 oz Wide Mouth, Travel Lunch Box with Easy Open Lid & Carry Strap, 3 Durable Lunch Cooker Bowl Cup - NOT FOR LIQUID SOUP axe Please NOTE, this food jar is NOT leak proof. It is not designed to store liquid in the container. Please also note to the size. We can't guarantee whether you think the bowl is small or big. We clearly list the size of each bowl. Pack your own healthy lunch to office or on the go. With this Food Jar, you can enjoy the same healthy meal like you do at home. Food Jar comes with built in carry strap for convenient transport. Double stainless steel container is vacuum insulated, which keeps food hot or cold for hours. Leberna group only use FDA approved food grade stainless steel material when making this food jar. The exterior size is 4.5" in diameter and 7.5" in height. There are 3 inside bowls for hot or cold food. The bowls need to be put into the container in correct order. The top bowl can contain 8.75 oz water. The middle bowl can contain 13.26 oz water. The bottom bowl can contain 7.02 oz water. The inside bowls are made from BPA-free plastic material. They are safe and better for health compared with regular plastic material. They can be used in microwave. (Each bowl is microwaveable.) The non stick design makes the bowls easy to clean. They are 4" in diameter, and with height of 1.75", 2.5", and 1.75" respectively.