High quality materials and safety - Durable oxford fabric with an insulated aluminum foil interior to keep food fresh for hours. - Non-toxic, BPA-free construction designed to ensure safe meals. Effective insulation and temperature control - Advanced ultra-thick foam core insulation helps keep drinks cold and foods either cold or hot all day. - The interior is designed to maintain temperature over extended periods for daily routines. Flexible capacity and practical design - Adjustable sizing to effortlessly fit your needs. - Lightweight and portable with padded handles and smooth double zippers for easy access. - Large capacity in a compact form, suitable for packing lunch boxes, fruits, drinks, and snacks. Ice boxes included - 4 ice boxes: 2 white and 2 blue, 200 ml each. - Use them alternately and adjust the number of ice boxes based on how long you need to preserve temperature. - After use, melted ice water can be poured back into the ice box to help reduce weight. Capacity and dimensions - Dimensions: 10.6 in x 9.45 in x 5.5 in. - Designed for convenient packing and easy transport while maintaining a lightweight profile. Durability and maintenance - Stylish stripe design with high-quality materials offering resistance to tears, abrasions, light water, and dirt. - Leak-proof lining for easy cleaning. 2-3 practical use scenarios - Daily commute or school lunch: keep sandwiches fresh and drinks cold throughout the day. - Outdoor activities or picnics: maintain temperature for snacks and beverages during outings. - Travel or road trips: compact but roomy enough to hold lunch boxes, fruits, and small snacks for long drives.