Aokur Travel Laptop backpack, gray.  50 L.  Padded laptop compartment.  Front zip pocket, outside mesh pocket on each side for water bottles or umbrellas.  Back has zipped pocket that is insulated.  Inner pockets for pens or other small accessories.  Lanyard design for sunglasses to easily hang on shoulder strap.  Fits up to 17.3" laptops.  USB charging port, back anti theft zipper insulated pocket.  Port hole for head phones.  18" x 16".