Features: 1. The lunch box is insulated with an outer plastic layer and inner stainless steel material to help keep food warm or cold for extended periods. 2. The food storage container features a leak-proof seal on the top tray, secured with strong clips and locking buttons on each side to prevent spills. 3. Lightweight with large capacity, easy to carry and convenient to use. Includes a portable handle for comfortable carrying and to avoid heat transfer. 4. Multi-layer design allows separation of food items, helping preserve original flavors with effective insulation. 5. Suitable not only as a lunch container but also as a cooler for gym, picnic, and other outdoor activities. Notice: Please allow 1–3 cm variation due to manual measurement. Actual color may vary slightly from the image due to differences in monitor display and lighting conditions. Material: 304 stainless steel + PP Capacity: Small 420ml, Large 620ml Size: Small 11.5 × 6.5 cm, Large 11.5 × 9 cm Accessories: 1 storage bag Includes: 1 × Portable Insulated Lunch Container Set