Personalized Lucky Puppy 1st Birthday Women's Plus Size T-Shirt. 1st St. Patrick's Day or 1st birthday Women's Plus Size T-Shirt - White with cute leprechaun puppy sitting on a lucky horseshoe, shamrocks and argyle pattern number one. Perfect for a wee Irish lad or lass. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)