THERMAL BARRIER DESIGN - Combining heat-resistant water resistant outer fabric and a double-layer foil lid with thermal properties, the backpack delivers consistent performance while keeping drinks cooled for 8 hours and food fresh for 4 in various conditions Efficient equipment organization: featured with a large main compartment with 50L capacity, additional double front pockets and elastic mesh for improved organization and accessibility Waterproof Protection: With reinforced seams and waterproof inner layer, ensure leak-free transportation of liquids such as bottles or soups, which provide peace of mind during travel or daily use Improved support: wide, padded shoulder straps, combined with honeycomb back cushioning, ensure reduced pressure and improved comfort for long hours of carrying ULTRA-SAFE CHOICE - Equipped with reflective strips for surfaces, this backpack ensures safety during night walks or camping while improving visibility in low light conditions for added peace of mind while outdoors