Personalized 12th Anniversary Gift For Her Long Sleeve T-Shirt. Cute butterflies and wonderful phrase on this Long Sleeve T-Shirt - Pink. Great gift idea for a 12th anniversary. 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