1. Manufacturing materials: Thickened inner container made of food-grade 304 stainless steel, high-quality PP material frame, durable, rust-proof, environmentally friendly, suitable for any lifestyle on the road. 2. Preventing Food from Spilling: Preventing food from spilling out of the bag, the unique top design with perfectly integrated cutlery allows you to enjoy spoons and forks anytime and anywhere, greatly enhancing your enjoyable dining experience. 3. Detachable Tray Compartment: Detachable tray compartment can safely heat food in microwave oven (no lid, 24 minutes below 120), you can enjoy chicken, salad, fruit snacks as you like. At the same time, it is easy to clean in the dishwasher (stainless steel inner container only, it is recommended to wash the shell by hand, which can prolong the service life of the product). 4. Keep Food Warm and Cold: The high quality design of the detachable stainless steel inner container combined with the PP outer frame makes it convenient for you to add hot water or ice to the bottom tray, which can keep the food warm and cold and provide you with a healthy diet. 5. Large Space Capacity: Keep your lunch box easily filled with enough food to prevention hunger on busy days. Each compartment is perfect for meeting adolescent adult males and females to control appetite and thus balance eating, perfect for picnics, school, business, travel, gym, outdoor activities.