1.Simplicity: Simply put, Unit is….big. Really big. Hence the name. We created Unit for the person who needs a versatile backpack bag that than carry a lot of stuff. Now that seems fairly obvious, because that’s what backpacks do, except Unit is more versatile than a simple large capacity backpack. It is fully expandable, so that means in its original state, you can take it to work, class, wear it comfortably while riding a bike as you would with any large backpack. However, when you need extra storage, Unit earns its 2.In the backpack, we mainly use oxford + nylon material, while using SBS metal zippers, and the zipper surround is repeat reinforcement. Ensure that the backpack can be used for a long time. Comfortable breathable honeycomb fabric back design gives you maximum back support. Adjustable shoulder straps relieve the stress of the shoulder. 3.Expandable: Space for Days Unit unfolds from a 25L backpack to a 35L bag, and that’s impressive considering it weighs less than 2 kg. It also features a waterproof shell, a main pocket, a digital pocket, an anti-theft pocket for your wallet and other valuables, and a ventilated wet/dry pocket where you can store clothes and shoes. Even stinky sweaty ones from the gym. 4. Functionality: With USB Port, the tech backpack offers you a more convenient way to charge your phone while walking. Multiple carrying backpacks, The side handle allows the bag to switch into a handbag when your shoulders feel tired. strap at back allows backpack to attach to the luggage handle and hide-away backpack straps. Can be opened 180° The backpack can be expanded to meet your clothing needs for 4-6 days of travel(expandable) 5, Durability ,This backpack has gone through an absolute stockpile of situations in which its durability has been tested. For the most part, it has served well in staying both usable and undamaged, but if there are any defects or flaws during the transportation and use of the product, please contact us immediately by email. I can correspond to the previous one.6 6, Practicality,This backpack fits in well at meetings where suits are the standard. It has plenty of space to store documents, shoes, and a set of gym cloths. It’s also a great commuter backpack and really useful if you carry a lot of tech/cords/adapters around with you. The back of the backpack also has a “cross strap” that will fit over your standard carryon luggage for rolling around the airport. Perfect for both professional use and weekend travel. 7, YKK Zippers, The surface material is made of new generation waterproof PU material, waterproof and wear-resistant. With the YKK zipper, the stitching around the zipper is more durable than other backpack. 8,Water Resistant Materia ,Laptop backpack made of high quality polyester fabric with high density nylon lining for better TEAR and WATER RESISTANCE, which has good water repellent performance, protects your stuff from splashing water and rain, is perfect for travel, work, daily life, etc. 9,Breathable Back Cushion, The padded and breathable mesh back of this 15.6 inch laptop backpack helps air convection, ventilation and heat dissipation. Wide breathable mesh shoulder straps with ample sponge pads help relieve stress from your shoulder. The backpacks luggage strap design makes travelling easier. In addition, there are anti-theft pocket design,