Personalized 15th Wedding Anniversary Hearts Long Sleeve T-Shirt. 15th Anniversary Long Sleeve T-Shirt - White has pink hearts perfect for a special occasion 15th wedding anniversary celebration. Cute gift for a couple married 15 years. 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