- Premium stainless steel lunch box with a carefully polished, smooth surface that resists rust and cleans easily. It is dishwasher safe for convenient cleaning. The reinforced base features a wavy structure to keep food stable and reduce tipping or leakage. - Leak-proof sealing: the lid is equipped with four sealing clips and a tight rubber ring seal to ensure a strong seal and prevent leakage during transport. This helps prevent food from contaminating other items and preserves freshness and flavor. - Size options and stacking design: available in 450 ml, 600 ml, 1100 ml, and 2200 ml. The stainless steel bowls can be stacked on top of each other to save space and ease transport and storage. - Organized storage and visibility: allows for orderly fridge organization with effective separation to prevent tastes from mixing. The transparent lid design lets you see the contents at a glance and quickly select what you need. - Use scenarios: - Everyday lunch at school or work: keep meals fresh, organized, and easy to transport without worry about leaks. - Meal prep and fridge storage: multiple sizes support portioning and prevent flavor transfer between foods. - Travel, picnics, or on-the-go meals: sturdy construction and secure seal for reliable transport and preserved taste.