Personalized 20 Years She Gives Me Butterflies Long Sleeve T-Shirt. 20th Anniversary Long Sleeve T-Shirt - White says 20 Years and she still gives me butterflies. 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