- Capacity : The lunch cooler bag measures 21x14x13cm/8.3x5.5x5.1 inches with a generous capacity of 4 liters. It can comfortably hold up to 6 cans of beverages, making it an ideal companion for your lunch box during work or day trips. - Insulation : Constructed with eco-friendly aluminum foil, this bag keeps your food either cool or warm for approximately 4-6 hours. Made from BPA-free materials, it is safe and non-toxic, ensuring you enjoy fresh and delicious meals every time. - Portability : This lightweight lunch cooler easily fits into your backpack or briefcase, making it convenient for on-the-go lifestyles. The square design is foldable, allowing for efficient storage when not in use. - Leakproof : Crafted from high-density, water-resistant material, this reusable lunch bag features a durable and easy-to-clean interior lining. Its thermal insulation properties ensure your food maintains the desired temperature without leaks. Use Scenarios : 1. Work : Bring your favorite homemade lunches to the office, keeping them fresh until your lunchtime break. 2. Picnics : Perfect for outdoor activities, store beverages and snacks securely while enjoying a day in the park. 3. Travel : Use it for road trips or long commutes, ensuring your snacks and drinks are at the perfect temperature. This lunch cooler bag combines functionality with practicality, providing a reliable solution for all your food storage needs.