[Sollman] Backpack, Business Backpack, Men's, 40L, Large Capacity, Waterproof, PC Backpack, Business Bag, Business, 17 inch, Commuting, School,

✅ [Business backpack feature introduction] 40L large capacity (30L → 40L with gusset expansion) / 4WAY mobile / Water repellent processing / Multifunctional storage / Compatible with 17.3 inch laptop PC & 12.9 inch iPad Pro / Wet and dry separation pocket (hygienic storage) / Dedicated pocket for plastic bottles and umbrellas / Anti-theft pocket on the back (safe design) / USB charging port & key chain / Movable chest strap (adjustable fit) / Suitcase fixing band (stable when moving) / Can be used like a suitcase (ideal for business trips). ✅ Recommended for: ◼ [Business people who want to travel empty-handed] ◼ Those who want to do everything from commuting to traveling [with just one] ◼ Those who want a large capacity & highly functional backpack. [This one] will make your business life comfortable! ✅ [A Gift That Will Be Delighted] Give a special gift to a special person. (For important colleagues, subordinates, lovers, spouses, teachers, and superiors) High-quality materials, exquisite stitching, and a large capacity of 40L will comfortably support the recipient's daily life. Detailed functionality such as a USB charging port and an anti-theft pocket will convey your thoughtfulness. This backpack combines functionality and design, making it a lifetime gift that can be used in business situations. ✅ [Large capacity and expansion function] Carry-on size: Height 49cm x Width 31cm x Depth 20cm (30L before expansion) / Depth 26cm (40L after expansion), weight about 1.4kg. The main pocket can be fully opened like a suitcase for easy access. It can store not only a 17.3-inch PC and A4 documents, but also a change of clothes for three nights. A highly functional backpack with smart sorting pockets. ✅ [Comfortable back structure] The unique ergonomic spine channel structure ensures proper clearance along the line of the spine. The back panel and shoulder straps with thick cushion pads, as well as the adjustable chest belt, are integrated to effectively distribute the burden on the shoulders and back. It provides excellent comfort and reduces fatigue even when used for long periods of time. ✅ [High-quality material with excellent durability] Made of 1680D high-density polyester composite material. It has higher impact resistance than nylon and has excellent water-repellent properties to block rain and dirt. The surface is specially coated to prevent dust from sticking, and dust can be easily removed by simply brushing it off. It is durable and long-lasting, making it an excellent product with excellent cost performance. ✅ [30-day money-back guarantee + 365-day warranty for quality assurance] We are confident that this product has passed strict quality standards. In the unlikely event that the size does not fit, there is an initial defect, or it does not meet your expectations, a 30-day money-back guarantee will be applied. In addition, we offer a 365-day warranty against breakage or malfunction during normal use. If you experience any problems with the product, please feel free to contact customer support.