Backpack Climbing Rucksack Square Backpack Large Capacity Waterproof 17 Inch PC Business Backpack Laptop Back with USB Charging Port 30L Outdoor Bag

---------------------------------------------------------------------- [30L large capacity & efficient storage] Size: (46+13)cm*32cm*18cm Weight: Approx. 1.1KG Capacity: Approx. 30L. Added thermal pocket. A large-capacity backpack with 19 pockets that can hold plenty of necessary items such as a 17-inch PC, A4-sized documents, and a change of clothes for 2-3 days! [Two layers, top and bottom, with expansion functions] A one-of-a-kind backpack made by a travel professional, packed with features perfect for the "traveling and working lifestyle" where luggage tends to increase. When you open the bottom zipper, the capacity increases by 22%! Made of EVA material with excellent waterproofness and breathability, it can store shoes, lunch boxes, a change of clothes, etc. Perfect for the rainy season and club activities! [New idea for charging/2in1 charging port] Note: We have made improvements based on all the customer feedback we received on the previous version. (Improvement: 2in1 charging port added) A Micro-USB adapter and earphone jack are built into the side of the mountaineering backpack, so you can charge while listening to music. [Excellent cold and heat retention effect] Insulation material has been added to the side pockets of the AISFA backpack. The thermal pocket is made of 3 layers of materials: PVC mesh + 10mm pearl cotton + thick aluminum membrane, making it strong and durable and keeping your drinks hot and fresh. [Multiple pockets that anyone can use for storage] Overwhelming storage capacity! Adopts 19 multi-functional storage pockets, the most in the industry! It is packed with a variety of pockets that are convenient for sorting your luggage. Can accommodate a 17-inch laptop. [Full of easy-to-use functions] After experiencing crowded train commuting and bicycle commuting, this product has been improved with greater durability, design, and ease of use in preparation for work style reform. Featuring a chest belt and carry-on feature, a smart, trendy carrying solution for your everyday essentials. [BOX structure/carry-on function] The backpack has a square shape, which is a popular box structure that combines beauty and functionality. The business backpack is equipped with a carry-on function and can be attached to the handle of the carry case! [The ultimate companion that can be used in any situation] It is sure to be useful not only for commuting to work or school, but also for traveling and leisure! A versatile, large-capacity rucksack that is attracting attention from a wide range of age groups, regardless of gender! [AISFA Quality Assurance] If the product is defective, please feel free to contact us. *Intentional damage is not covered by the warranty. Contact method: [Account Service] - [Order History] - [Contact Seller]