Personalized 11th Anniversary Snuggling Owls Long Sleeve T-Shirt. 11th Anniversary owls are still snuggling together after 11 years on this cute Long Sleeve T-Shirt - Pink gift you can personalize with their names or wedding date. 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