35L 16.5 Inch Expandable Travel Waterproof Durable Backpack。Waterproof Anti-theft Backpack For Laptop Bag。High-end Business Backpacks-Large Oxford cloth bag-Multifunctional Backpack Large Capacity

Slim Expandable Backpack: Slim, simple and lightweight design is suitable as casual daypack, laptop backpack at work, college, travel use. The backpack capacity can be expanded from 20L to 35L through the side zipper, meet your different needs.
Laptop Backpack: This backpack can hold 15.6-inch laptop, books, A4 size folder, water bottle etc. One large compartment, 1 front pocket. Multiple interior organizer pockets to keep your belongings organized. The laptop compartment with a padded liner, protect the laptop well.
Water-Resistant & Durable: Backpack made of water-resistant nylon fabric, durable and wear-resistance. High-density polyester lining for better tear resistance. High-quality fabric protects the contents of your backpack during light rain.
Comfortable Design: The backpack is designed with the user's comfort in mind. Breathable, padded shoulder straps and a breathable back panel reduce stress and increase comfort during extended use. The adjustable back strap ensures a perfect fit, allowing you to move with ease and confidence throughout the day.
Flight Approved Travel Backpack: The outer dimension of this backpack is 11.8 x 5.9 x 17.7 inches /30 x 15 x 45CM and weighs 1.9. Breathable padded mesh back panel and adjustable s shape padded shoulder strap is designed for comfortable carrying.The fixed strap design on the back enables it to be placed on the luggage easily. Freeing up your hands and making travel even more convenient.
It is a versatile companion with a multifunctional design, making it an excellent gift for family, loved ones, or friends on Christmas, birthdays, Thanksgiving, New Year, and Valentine's Day.