Material: backpack is made of Oxford cloth, very durable. Design: laptop backpack adopts adjustable shoulder strap design, perfect for outdoor activities and vacation use; the side pockets are specially designed for you to carry umbrellas, water bottles and other items. Large Capacity: travel backpack adopts a large capacity design, which can easily store various items you need to carry when you go out. It is lightweight and will not add extra burden. Occasion: stylish backpack is suitable for home, office, business trip, vacation, etc., bringing you a unique using experience. You can also give it to your family and friends as a gift, to express your love. After-sales Service: If you have any questions after receiving the product, please feel free to contact us, our customer service will reply you within 24 hours. Backpack accompanies you to spend a pleasant day. With high-quality materials, a wide range of colors and individual graphic designs, you won't regret your choice.