Trolley ready anti-theft hard shell backpack made of 600D polyester with extra features: Combination lock for the main compartment, anti-theft compartment on the back, small zippered compartment on the padded shoulder strap, padded back panel, padded carry handle, laptop compartment with front pocket and elastic straps, a USB port for connecting a powerbank (not included), four pen loops, opening for headphones, three slip pockets and a removable key ring. With two velcro closures inside, the backpack can be opened either partially or fully. Your logo will be placed on the front.