Backpack for Large Sports Travel Business Square Waterproof 17 Inch 2 Layer Expansion USB Charging Port Outdoor Disaster Unisex [AISFA] Men, Capacity,

[Large capacity rucksack] Size: (45+13)cm*33cm*18cm Weight: 1.1KG Capacity: 30L before expansion Approximately 35L after expansion Popular box structure, square shape, excellent storage capacity, great for any occasion It's a backpack. This is a large-capacity backpack with smart sorting 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. [Top and bottom double layer structure] The ultimate hidden wet and dry bottom compartment with AISFA's original compact design. It is a two-layer type with storage space divided into upper and lower sections. The bottom pocket is made with a waterproof sheet, so you can store shoes, lunches, wet umbrellas, clothes, etc. separately! Especially most effective during the rainy season! [100m reflection function] Upgrade! AISFA backpacks are a combination of clever functionality and timeless design. On the outside of the front pocket, which opens 180°, there are two additional daisy chains that can be used to attach other accessories like carabiners. AISFA's original daisy chain and reflective material combine to make traveling safer at night. The reflective material is visible up to 100m at night and strongly reflects car lights to keep you safe. [Drop-resistant PC storage] There are many backpacks that claim to protect your PC, but many of them only have cushioning on the sides, which can cause damage when you put your computer in the backpack or put your bag on the floor. Masu. AISFA also includes a 2x thick shock absorbing cushion on the bottom for better safety, avoiding the risk of damaging your PC. [Design that is easy to access] The outer and front pockets can be opened about 180 ° large like a suitcase, so you can get in and out smoothly. Luckmen has a top pocket with a zipper that can be opened double from inside and outside so that you can easily access items. In addition, it is equipped with a direct connected zipper that can be easily accessed in the main pocket, so it is possible to take it out quickly. [Water Repellent] The waterproof backpack is made of PU coating and high quality 1600D nylon material, making it wear-resistant and durable. PU coating increases waterproofness. Made of 1600D nylon material, it is water resistant and glossy. This mountaineering backpack is both durable and has a beautiful glossy texture that is resistant to scratches and dirt, and even if it gets dirty with dust, it can be wiped off easily. *Please note that it is not completely waterproof. [Both functionality and operability]★There is a zipper pocket on the shoulder to store your transportation card, so you can pass through the ticket gate without stopping. ★Comes with a removable key chain that allows you to attach keys to the main pocket, saving you the trouble of looking for your keys. ★Uses a highly durable SBS double zipper. You can rest assured that it won't get damaged even when you put a lot of luggage in it. ★Equipped with a luggage belt and a chest belt. It effectively disperses the burden on your shoulders and back, reducing the pressure when carrying it on your back.Additional anti-theft hidden pockets allow you to store valuables and mobile phones. [Ergonomic Design] The ergonomically designed S-shaped shoulders and entire back are made of thick cushioning and highly breathable mesh material, reducing strain through the decompression effect. Even on hot days, it effectively removes unpleasant stuffiness and makes you feel refreshed. Business backpacks have a structure that efficiently transfers the load to your lower back, so they fit well and keep you comfortable even when you carry them for long periods of time. [Useful in a variety of situations] It is equipped with a carry-on function that is essential for various situations such as daily commuting to work or school, camping, mountain climbing, business trips, travel, fishing, etc. It can be used not only for everyday use, but also as a disaster prevention backpack for emergencies. It's the perfect gift not only for yourself, but also for Christmas, Father's Day, birthdays, etc.! [AISFA Reliable Quality Assurance] There is a 12-month manufacturer's warranty after purchase, so if you have any problems when using the backpack, please feel free to contact us. Please rest assured that our store will take full responsibility and support you until the end. When contacting us, we would appreciate it if you could provide us with the "order number" and "product name" of the purchased product. *Intentional damage is not covered by the warranty. [30 liter large capacity design] Square shape + wide gusset provides excellent storage capacity, allowing you to store up to 17-inch PCs, pads, A4 size documents, a change of clothes, sunglasses, hats, and other necessary items at once! We make every effort to ensure the quality of our products, but if there is a problem or you are not satisfied, please contact our store. If there is a defect in the product, we will promptly replace it, so please buy with confidence.