Personalized Little Elf 1st Birthday Women's T-Shirt. Women's T-Shirt - Black for a little elf's 1st birthday with a polka dotted number one and snowy striped North Pole sign. Perfect for Santa's helper on his or her Christmas birthday. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout