Personalized 20th Anniversary Butterfly Long Sleeve T-Shirt. Cute pink 20th Anniversary butterfly design comes on a special occasion keepsake Long Sleeve T-Shirt - Pink anniversaries gift for the couple celebrating 20 years together. 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