35L Expandable Backpack 17 Inch Large Capacity Backpack 3 Layer Expandable and Shrinkable Travel Backpack

【Oxford Spinning + PVC】 Backpack adds street fashion elements while using high-quality oxford spinning, it can effectively improve the scratch resistance and waterproof performance of the backpack, and it is also widely recognized by the public 【Luggage Style Backpack】2-layer 3-main pocket design, the middle layer can be fully unfolded like a suitcase, with an additional expansion zipper, super large capacity 【Double Zipper】Hidden double zipper, beautiful and durable, fashion, safety, double protection, a good travel companion 【12 Pockets】2 inner side pockets, 2 inner patch pockets, 3 spacious main pocket, 1 laptop pouch, 1 spacer bag, 2 inner mesh pocket bags, 2 hidden anti-theft bags. Enough to hold your laptop, A4 book, iPad, mobile phone, wallet, umbrella, cosmetics, and other daily necessities 【Breathable Adjustable Straps】 Backpack with breathable and adjustable shoulder straps relieves the stress on the shoulder. Both sides of the shoulder strap with a lanyard design can hang s