Personalized Shih-Tzu Dad (Worlds Best) Dog Breed Women's T-Shirt. This fun worlds best shih-tzu dad Women's T-Shirt - White is a great gift idea for a shih-tzu owner or dog lover. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout