September 13 is the birthday of Barabara Gordon (AKA Batgirl). To celebrate, SuperheroStuff is offering 13% off Batman Merchandise.
This deal runs through September 28, 2011, and you must use the coupon promo code HAPPYBAT to get the discount savings on SuperheroStuff’s Batman Merchandise like t-shirts, pajamas, hats, underwear, jackets, backpacks, belt buckles, lunchboxes, posters, mugs, magnets, cell phone cases, and more.