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

[30L large capacity & efficient storage] Size: (45+13)cm*33cm*18cm Weight: Approximately 1.1KG Capacity: 30L before expansion, approximately 35L after expansion. A large-capacity backpack with 33 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! [Multiple pockets that anyone can store well] The front pocket opens 270 degrees and has 16 inside pockets! Overwhelming storage capacity! Adopts 33 multi-functional storage pockets, the most in the industry! It is packed with a variety of pockets that are convenient for sorting your luggage. . Main pocket: Can store 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. AISFA's original daisy chain and reflective material combine to make traveling safer at night. Featuring a chest belt and carry-on feature, a smart, trendy carrying solution for your everyday essentials. [Square 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 entire back is made of thick cushioning and highly breathable mesh material, which reduces strain by reducing pressure. Even when carrying it on your back for long periods of time, you will not get tired and will maintain a comfortable feeling. [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] 1