Personalized 12 Year Anniversary 12th Wedding Quote Long Sleeve T-Shirt. 12th Anniversary Long Sleeve T-Shirt - Pink has Happily Married 12 years and counting anniversary celebration quote, a great way to say Happy Anniversary to the happy couple. 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