Large Bottom Expansion Inch Reflective USB Charging Disaster Mountain A4 Storage Nylon Blue [AOSLE] Backpack, Men's Backpack, Capacity, 30-35L, 15.6

---------------------------------------------------------------------- [Fashion business style, professional charm] The nylon business backpack combines lightness and robustness, not only showing your professional business style, but also showing your exquisite taste. Whether you use it for everyday use or for business occasions, this backpack will perfectly match your outfit and make you stand out from the crowd. Choose a business backpack made of nylon material, which is a perfect combination of light, durable, waterproof shield and fashionable business style, adding a piece of exquisite taste and convenience to your work and life. 【Zipper Expansion Pocket Makes Backpack More Flexible and Practical】The design with zipper on the bottom allows you to easily expand the capacity of the backpack and provide additional storage space when needed. This design not only makes the backpack more versatile and can be applied to different scenes, but also allows you to easily adjust the size of the backpack and keep it tidy and compact. Whether it's daily shopping, short trips, or business trips, this feature will meet your needs and make your life and travel more convenient and comfortable. [Backpack that you don't mind going out at night] The front reflective material and shoulder reflective material of the business backpack can effectively reflect light to improve the wearer's visibility at night or under low light conditions, etc. get attention more easily. This material has good reflective performance, is highly durable, and can maintain the reflective effect for a long time. It has wide and diversified applications, can be used in a variety of products, and provides comprehensive protection to users. The reflective material of this business backpack product is made of environmentally friendly materials, complies with environmental standards and has no negative impact on the environment. Overall, reflective materials play an important role in modern life and help people reduce the risk of accidents when going out at night. 【Comfortable Portability】The ventilation on the back of the backpack is very important for your comfort and health. The mesh surface design effectively improves the breathability of the backpack, promoting air flow and reducing stuffiness and moisture on your back. This design reduces sweat from accumulating on the back of the backpack and provides a more comfortable wearing experience. Also, the ventilated back design of the backpack can help relieve pressure on your back and reduce discomfort caused by long-term backpack strain. Overall, the back of the backpack with mesh surface design has better ventilation, which can improve the wearer's comfort and sense of health. [Excellent ease of use] There are many pockets, both small and large, so they are easy to sort and take out. Place your 15.6-inch PC or tablet in the PC pocket, small items such as notebooks, pens, and wallets in the sub pocket, documents, A4 files, clothing, etc. in the main pocket, and foldable umbrellas and water bottles in the side pocket. You can easily carry all the items you need on a daily basis. [After-sales service] This product is eligible for 180 days of after-sales service from the date of purchase. If you have any problems with the product during use, please contact us with the photo of the defective product, order number and product model number, and our professional staff will provide support. (Contact method: Please contact us using the following steps: [Account Service] - [Order History] - [Contact Seller]). The design concept of the backpack is very suitable for the needs of the Japanese people, simple and functional, and is used by people of all ages and genders. Its versatility makes it an ideal choice for various occasions such as commuting, school, business trips, travel, bicycles, motorbikes, gifts, disaster prevention, daily life, etc. A design concept that can be used in a variety of situations will be widely welcomed. We hope this business bag will win the support of consumers!