ELECOM Expandable Backpack, 15.6 inches, 27L (31L when expanded), Water-Repellent, High-Durability Zipper, Black, BM-BPEPBK

Specifications Capacity: Unexpanded: Approx. 27L Capacity: Expanded: Approx. 31L External Dimensions: Unexpanded: Approx. W310 x D210 x H470mm (Handle and shoulder strap not included) External Dimensions: Expanded: Approx. W310 x D290 x H470mm (Handle and shoulder strap not included) Number of Air Chambers: 2 (Main Air Chamber + Trunk Air Chamber) Internal Dimensions: Laptop Open Pocket: Approx. W255 x D27 x H365mm (Reference dimensions for a 15.6-inch laptop) Notes on Laptop Compartment Interior Dimensions: *Internal dimensions may differ from external dimensions of the laptop that can fit. Front Pockets: 1 zippered pocket with sorting sleeve, 1 zippered pocket Back Pockets: 1 zippered pocket Side Pockets: 2 open pockets Inside Air Chamber: Main Air Chamber: 1 open brushed laptop pocket, 1 open tablet pocket, 2 open mesh pockets Trunk Air Chamber: 1 zippered mesh pocket Color: Black Material: Polyester Weight: Approx. 930g Expansion Capacity: Expandable gusset Compatible Models: Up to 15.6-inch laptops Surface Finish: Water-repellent (Outer Fabric)

Description This business backpack features an expandable design for ample storage and ample capacity. Carrying it on your back leaves both hands free, allowing for comfortable movement even on rainy days or when cycling. It can hold a total of approximately 27L of luggage before expansion, and approximately 31L after expansion, so you don't have to worry about extra luggage on the go. The trunk air chamber can be expanded by 8cm and features a cross strap to prevent luggage from shifting. The trunk compartment can be opened fully 180 degrees like a carry-on suitcase, making it easy to access items like clothes. The interior pocket, which can hold a 15.6-inch laptop or other device, is made of fleece material that gently protects your device and prevents it from colliding with other items during transport. The front of the bag has two front pockets, one at the top and one at the bottom, and the lower pocket has a built-in divider. This is convenient for storing small items that you frequently access. The back of the bag is equipped with a hidden zippered pocket, allowing you to easily access your wallet, smartphone, etc. even while wearing the bag. Both sides of the bag have side pockets that can hold items like a folding umbrella or a water bottle. These pockets are easy to access even while wearing the bag. The areas that come into contact with your shoulders and back are made of breathable air mesh material. The chest strap allows you to adjust the bag to fit your body, distributing the weight and reducing fatigue. The surface fabric is water-repellent. *This does not completely prevent water from entering the interior. The backpack features a carry strap on the back that can be secured to the carry bar. It can be carried alongside a suitcase for smoother travel.

Some zippers are made by YKK, specifically for bags. *YKK is a registered trademark or trademark of YKK Corporation in Japan and other countries/regions.

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This business backpack features an expandable design and ample storage space.

Carrying it on your back leaves both hands free, allowing for comfortable movement even on rainy days or when cycling.

It can hold approximately 27 liters of luggage before expansion, and approximately 31 liters after expansion, so you don't have to worry about carrying more luggage on the go.

The trunk compartment is expandable by 8 cm and features a cross belt to prevent luggage from shifting.

The trunk compartment opens fully 180 degrees, just like a suitcase, making it easy to access items like clothes.