STM Bowery, Laptop Shoulder Bag for 15-Inch Laptops - Navy (stm-112-089P-35) Main material(s): Cottna 320D, lining: 200D water resistant polyester Easy access, soft fleece lined pocket for sunglasses or phone with a rear zip pocket for some reading material and quick drop phone pocket Quick cam-adjust shoulder strap for both cross body and shoulder carries with non-slip shoulder pad and top grab handles Reflective light loop for dusk or night time safety Integrated luggage pass through secures the bag to the handle of your wheeled luggage Durable yet super light aluminum zipper pulls with large #10 self-repairing YKK zippers