*【Large-capacity and Multi-functional 】:The dimensions of the trekking backpacks are 20.1 x 12.6 x 7.1 inches, with a capacity of 40 liters, which applies to 15.6-inch laptop. Two spacious front pockets can hold A4 size paper. There are also 2 side pockets and 1 belt pocket.**【Highly Practicality】:This 35L outdoor hiking backpack is perfect for weekend vacations or three-day excursions. It is made from tear and water-resistant 400D polyester fabric, which provides strength and long-lasting performance, lightweight for only about 0.89kg (1.96lbs) .