1.LIGHTWEIGHT: Size of Travel laptop backpack: 18.1 x 12.6 x 6.3Inch, weight: 1.2lbs(550g),Suitable for commuting or carry-on, can be easily stored.The front reflective strip design increases the of night travel. The back has a fixed belt design, which can be used with the luggage case when traveling, especially to save effort.This computer bags suitable as overnight,commute ,business travel and daily backpack. 2.DAYPACK FOR WORK: The work Backpack with many pocket for large storage and organization for small items.One separate laptop compartment holds 15.6 or 17.3 Inch Laptop.The other spacious compartments with many pockets, which can be used to store notebooks, pens, earphones, and other small items, functional pockets ensure you to keep your personal belongings well-organized and get them easily whenever you need. 3.WATER RESISTANT:The laptop backpack made of high-density coated oxford fabric not only waterproof and resistant but also scratch-resistant,The classical and fashion design,make this mens backpack suitable for work, business, travel. (NOTE: do not expose it under heavy rain for a long time or immerse it into water). 4.INTIMATE DETAILS:this slim backpack for men have USB port outside on the computer bags for laptops (Power bank is not included).Shoulder with card bag design, convenient credit card such as storage, reflective strip design to increase night security, both sides and front zipper pockets, can store keys, pens, notes, etc., the main bag has an open small bag and a compartment, can pack laptop, storage clothes,etc. 5.BEST GIFTS FOR MEN WOMEN: This duffel bag is perfect for most people's daily use, business people or travelers who want to make a fashion statement, it is the perfect gift for husbands, fathers and friends at Christmas, Birthdays, Father's Day and Year.