Travel Backpack, Lifeasy Waterproof Anti-Theft Roll Top Business Laptop Bag Lightweight Daypack for Adults (Grey) UPDATED VERSION Travel laptop backpack is made from polyester that is lightweight, water repellent and wrinkle-free. 35 Liters, dimensions (H x W x L): 23.2" x 6" x 15" Wet separation waterproof design travel backpack, zippered shoe compartment separates footwear from other items, suitable for shoes, toiletries, clothes Side-access laptop compartment on the rear is heavily padded, can fit laptop up to 17(side laptop compartment fit 15.6"), and protect your valued device from shocks and unwanted scratches Anti-theft features travel backpack: Fold-over top and buckle closure offers secure storage, back pocket is also anti-theft for wallet or phone, easy to reach Adjustable shoulder straps and back panel of travel backpack both are padded and with ventilated sweat-free design for comfort carrying Made of Water-repellent polyester Anti-theft Roll Top 30 liter backpack with multiple pockets Suit for all occasions Weight: 1.4 pounds Capacity:20-30L Color:Gray,Black Material: water resistant polyester Occasion:Business trip,traveling,camping,hiking, college,airport and library.