Property of STAR LabsRunning with a backpack is the worst. It bounces up and down and smacks you in the back of the head. Now imagine doing that while running 400 miles an hour That's why Barry Allen and his team at Star Labs developed this stunning bag.Sure, it will probably still bounce around when you run - but the The Flash Better Built Laptop Backpack totally matches Barry's uniform Continuing the crimson costume aesthetic, this The Flash backpack -- based on the design from the hit CW TV series -- features copious pockets and an insulated chamber.Let's break it down: The exterior Solid metal The Flash symbol.Durable crimson material with gold, subtle, and vertical bolts.Padded and adjustable shoulder straps.A back covered in mesh-like padding.A top handle for convenient hand carrying Sizable pockets A sizable primary pocket with silver interior lining, a dividing flap, and a padded laptop pocket.An insulated interior accessed from the bottom. It's perfect for temperature-dependent drinks/foodstuff/Speed Force Dimensions? Materials? Fine: Measures 13" wide, 18.5" high, and roughly 5.5" Materials: 100% polyester. All sizes are US sizes.