Dual-layer water-resistant laptop backpack with a Nylon outer and Polyester inner, designed with multiple compartments to organize A4 documents, accessories, and daily essentials. Includes a dedicated padded laptop pocket for 13.3–15.6 inch devices and an integrated USB charging port. Helps protect electronics and paperwork in light rain, keeps items separated for work or training, and improves carrying comfort with S-shaped cushioned shoulder straps that help reduce shoulder strain during commuting and business travel.