Just the Right Size: Adult Lunch Cooler Backpack This insulated cooler bag measures 42 x 29 x 19 cm (16.54 x 11.42 x 7.48 in) and has a capacity of 18 L. It is designed to fit daily meals, snacks, and small essentials for convenient everyday use. 100% Leakproof Upgraded Material: Laptop and Cooler Combo Bag The insulated backpack delivers longlasting insulation. It uses seamless lining stitching and quality heat sealing to provide 100% leakproof performance, helping protect contents from spills and moisture. Durable Lightweight: Functional Work Cooler Constructed from heavyduty nylon, the bag resists tearing and scratching and is easy to wipe clean. The lightweight foam insulation lining supports comfortable carrying during outdoor activities while keeping items organized and secure. Material: Minimalist Lunch Backpack The exterior is waterproof, enhancing durability and practicality by helping to prevent leaks and weather exposure. The combination of rugged material and insulation makes this bag suitable for daily use and travel. Key benefits Keeps food and drinks at stable temperatures for an extended period. Durable, easy to maintain, and resistant to daily wear. Lightweight and comfortable for long carries, with a clean, minimalist look. Waterresistant exterior adds protection against rain and spills. Use scenarios Daily office or school lunch: carry meals, snacks, and a small drink while commuting. Outdoor activities: suitable for picnics, day trips, or sports events where a portable cooler is useful. Travel or commuting with essentials: convenient for short trips or daily use where you need both a cooler and a laptopfriendly bag.