This listing is for a CALTECH name badge tag Halloween Costume FOR DR. SHELDON COOPER FROM BIG BANG THEORY. Your badge will arrive with a Magnetic fastener on the back. This badge is A RECTANGLE SHAPE WITH A WHITE BACKGROUND AND MEASURES APPROX. 2" x 3". This badge is printed in full color with a clear overlay that protects the print for a durable long lasting badge. Your badge WILL SHIP WITHIN 2 DAYS. No hidden charges or set up fees. THESE ITEMS ARE PERFECT FOR COSPLAY!