Personalized Sweet 16 Leopard Heart Long Sleeve T-Shirt. Sweet 16 with a pink heart with leopard print! A funky, cool, cute sixteenth birthday gift for your favorite girl! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL