Spacious 40L Design & Practical Structure: This backpack proposals a professional 40 liter space, holding up to 48 standard beverage cans, making it an ideal portable cooling for group outings, family camping, beach incidents, and similar occasions. Enhanced Temperature Retention & Leak Main Compartment: Featuring upgraded PEVA interior lining and seamless heat sealed construction, it provides consistent temperature control for over 12 hours. The spill resistant main section ensures secure liquid storage during transit. Compartment Storage for Temperature Isolation: Thoughtfully designed upper and lower divided zones keep chilled/warm items, unprepared/ready food, and drinks physically separated to temperature transfer and scent mixing, ensuring neat organization. Ergonomic & Functional Construction: Made from water sturdy nylon fabric with ventilated contoured S shaped shoulder straps for comfort. Useful features include visibility boosting reflective strips, integrated bottle opener, exterior attachment points, and airy side pockets. Package includes: Liter thermal insulation refrigerated backpackx1