Large capacity cooler backpack This cooler backpack provides ample space to accommodate lunch boxes, fruits, snacks, drinks, and breads, meeting your daily meal needs. Durable, protective construction Made from waterresistant and dirtproof Oxford fabric for durability and easy cleaning. It remains leakproof even when filled with water and ice, helping you transport beverages and perishables with confidence. Insulated to preserve freshness The interior features multiple layers of thickened insulated aluminum foil, keeping food warm, fresh, or cold as desired. Versatile and practical Suitable for a wide range of occasions and users, this cooler backpack is ideal for picnics, camping, work, and everyday use. It serves as a reliable companion for keeping your food fresh. Key benefits Function: maintains temperature and preserves freshness with a wellinsulated interior. Compatibility: accommodates a variety of lunch boxes, fruits, snacks, drinks, and breads. Size: large capacity designed for daily meal needs. Material: waterresistant, dirtproof Oxford fabric for durability and easy cleaning. Performance: leakproof reliability when filled with water and ice; robust construction for outdoor and daily use. Use scenarios Daily work or school: pack meals and beverages to stay fresh throughout the day. Outdoor recreation: ideal for picnics, day trips, and camping with family or friends. Travel or errands: carry perishables and snacks while on the go, keeping items cool and organized.