Custom Backpacks, WORK Birmingham rPET Backpack - Laptop Compatible & Eco Friendly, The Work Birmingham Backpack is made with 840 denier recycled polyethylene terephthalate (RPET) that comes from previously used and discarded plastic bottles and is part of the eco-lifestlye collection. It is fully padded and lined with 210D polyester and features a main compartment with padded laptop pocket with safety strap, a zippered pocket and 2 mesh pockets. There is also a top-load zippered accessory pocket, a front zippered pocket, daisy chain and a padded carry handle with two D-rings. Carry it with the fully padded adjustable backpack straps or attach it to your luggage with the backside trolley strap. A portion of all proceeds is donated to Shelter to Soldier, a non-profit organization that rescues dogs to train as service animals for veterans in need. ... #KB5900 $37.14/each.