Large Capacity: Soft lined laptop rucksack accommodates laptops less than 17 inch with enough enormous space. Good companion during your whole journey; Big enough so you can bring everything you need. Luggage Straps: A humane design with a drawbar sleeve on the rear, try to slide your backpack onto the luggage's puller to make your journey easy when you feel tired to carry backpack on your shoulders.Thicken shoulder straps combined with padded back cushion brings you a great comfort. Water-resistant: This backpack is waterproof splashing in daily using, but please do not use it for the rainy day and heavy rain. Comfortable Straps: Thicken shoulder straps combined with padded back cushion brings you a great comfort. Safety Design: The anti-stuck design zipper has its own keyhole. An RFID pocket with RFID function helps protect personal data encoded on your credit card, ID card and passport.You can lock the bag pack with anti-theft lock to protects your wallet and other valuables inside from thief. USB Port & Earphone Hole Design: Featuring earphone hole gives convenient access to earphone usage, built-in USB charging port offers a convenient charging of your electronic device anywhere. Perfect for business trips or weekend getaways or for simply heading to the office or school and home again. The external hook can easily hold your key-chain, water bottle,hat, glasses and other accessories. Application: Perfect for business trips travel hiking gaming or weekend getaways or for simply daily heading to the office or school and home again.