The KEQIKAI 80L 2-in-1 Travel Backpack revolutionizes convenience with its detachable modular design. The top converts into a compact shoulder bag for city exploration, while the 80L main compartment organizes clothes, shoes (via dedicated shoe storage), and outdoor essentials. Built with 1680D waterproof nylon and anti-tear zippers, it withstands extreme weather and rugged terrain, ideal for camping, business trips, or international travel. The shockproof laptop compartment securely holds 17" devices, while multiple internal pockets sort gadgets, toiletries, and documents. Ergonomic S-shaped shoulder straps and a breathable mesh backpanel ensure comfort during long hikes or crowded commutes. Quick-access side pockets store water bottles/umbrellas, and the anti-theft rear zipper safeguards wallets/phones. From weekend adventures to airport carry-ons, this sleek yet rugged backpack adapts to any scenario.