Personalized 20th Anniversary Butterflies Long Sleeve T-Shirt. Pretty purple butterfly 20th anniversary Long Sleeve T-Shirt - Purple gift can be customized with the happy couple's 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