Made Of Combo 435 Gram Polycanvas And Durable Cut-Proof Polyurethane. Adjustable Padded Shoulder Straps With Zippered Pocket And Padded Carrying Handle. Double Zippered Main Compartment With Padded Back And Expansion Sides With Hook And Loop Closure. 2 Hidden Side Zippered Pockets. Inside Zippered Pockets And Organization Pockets For Accessories. Features 40 USB Cord And Charging Port For Easy Charging Access. Padded Laptop And Tablet Pockets. Pen Loops. Trolley Sleeve Attaches To Wheel Cart. Reflective Strip Accent. Accommodates Most Laptops Up To 15 And 8 Tablets. Spot CleanAir Dry.