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The Segway Ninebot multifunctional backpack is made with water resistant material and two-way quality zipper. 25L large capacity, perfect for leisure and business. Primary andlaptop compartment, it can hold laptops of up to 15.6-inch. With the ergonomic shoulder strap design, automatic adjustment function, it can relieve shoulder pain caused by long-term carrying. With sweat-wicking back panel and fast heat dissipation, provide comfortable travel experience.