Single Layer lunch box is reusable, lightweight, and good for your health and the health of the planet. Perfect for work, school, picnics, concerts, travel and camping. It even makes a stylish doggy bag for your leftovers. Simple yet sturdy latching system allows you to carry just one container or both. Fold down the handle to make it compact and easy to store and stack. Great for hot and cold food, the containers keep courses separate. Both levels of the two-tier style have a 4-cup capacity, and are large enough to fit a sandwich, salad, pasta, whatever you like.Vacuum design, take the air between tow walls, it can keep you food's temperature for hours. Double stainless steel wall and polished stainless steel tank are easy to clean. The lunch box, with large capacity and two tiers design, can pout different food separately, which enough to meet the need of your meal. The handle of the event, save a space, convenient put, joint tight, food is not easy to heat preservation more durable. This product suit for most people, especially for students, office workers, and people who want to have picnic.