FENRUIEN 15.6 Inch Expandable Mens Backpack for Work, Black | Water-Resistant 1800D Oxford, Adjustable Chest Strap, Luggage Strap, USB C Charging Port, For Office/Travel

Convenient USB Ports: Equipped with USB-A and Type-C ports, allowing you to charge your devices while on the move, ideal for busy professionals or travelers. Comfortable Carry: The EVA X-shaped back panel and chest strap provide added comfort and support, ideal for all-day use during your commute or travels. Durable Materials: FENRUIEN simple backpack is constructed with water resistant 1800D Oxford fabric and a grey-orange polyester lining, offering long-lasting durability and reliable protection for daily use and travel. Versatile Storage: Includes a 15.6" laptop compartment, tablet sleeve, and multiple pockets, keeping your devices and accessories neatly organized. Expandable Capacity: 16.9" x 3.5-6.3" x 11.4 ". Adjusts from 12 L to 22 L to fit your needs, whether for daily essentials or travel gear, offering extra room when you need it.