Meet Stackd Biz Laptop Backpack Expandable 17.3′ by Samsonite. Fusing a unisex design with an urban look and feel, StackD Biz is a perfect match for all metropolitan professionals. It is the backpack equivalent of our beloved suitcase range. Made with recycled materials. While PU details at the bottom add to its firmness. With plenty of pockets, a USB port and additional smart sleeve, a smooth travel is ensured!