Street style doesnt get any cooler than this funky backpack a black backpack with a galaxy of stars what sets this bag apart from the rest is that it glows in the dark with a good sized main compartment an inner compartment for your laptop or tablet and a smaller outer compartment theres more than enough space for all of your must have possessions but your spiral glow galaxy backpack comes into its own as night as it charges absorbing sunlight or artificial light throughout the day to glo