MARK RYDEN 23L/40L Business Carry-on Travel Backpack, Lightweight Flight-Approved Expandable Weekender Bag with USB Charging Port fit 17.3 Laptop

The backpack is not only a travel backpack with maximum size allowed on a IATA flight, but also a great choice for weekender trip, providing taking planes, trains and buses. The padded straps work well to reduce bulk.
Features:
With multiple layers, sturdy meshes, special compartments, keep all your stuff organized.
After extending, roomy main compartment big enough like roller luggage, can hold up to 3-4 days clothing.
Velvet laptop and table sleeves can protect your electronic products, up to 17.3 inch laptop.
Front pockets could hide away your stuffs, multiple interior slip pockets and one mesh pocket for your travel essentials.
USB charging port allow you free your hand when charging your electronic device for you convenience.

• ▶[Dimensions]19.7*12.2*6 inch (Normal). 19.7*12.2*9.8 inch(Expanded), fits for 17.3 laptop. Package: backpack x1, internal usb cable x1. Design to fit the allowed maximum size of an IATA flights, enough space for your personal stuff for a long journey.
• ▶[Large and Flexible roomy]Compressed capacity of 25L. Full-expansion zipper creates 30% more packing space-40L. Three main pockets which includes 7 compartments inside — padded laptop sleeve x1, tabelet sleeve x1, mesh compartment x3, basic compartment x2. WHAT’S MORE, there is a quicker access front zip pockets and a anti-theft backside pocket.
• ▶[Multiple carrying backpack] Use as a daily backpack, a flight approved carry on bag or attach this bag on the luggage for hands free: a strap at back allows backpack to attach on the luggage handle tube and hide-away backpack straps.Selection of high-quality smooth SBS ZIPPERS and durable water-proof polyster, special cushion for back and shoulder strap which relieve your pressure effectively.
• ▶[Ergonomic comfortable design travel backpack] Multi-panel Airflow Design provides extra padding for comfort and maximum back support.Adjustable waist straps and breathable mesh shoulder straps with plentiful sponge passing help relieve the stress from your shoulder.
• ▶Convenient external USB port travel backpack: built-in charging cable provides a more convenient way to charging your phone, free your hands from power bank.