Personalized Little Sister - I Love My Big Sister Long Sleeve T-Shirt. Celebrate your sisterhood with I Love My Big Sister. Our apparel and gifts are designed to show your love for your older sibling. With our range of products, you can let the world know how much you appreciate them. It's also the perfect pregnancy announcement idea - share your joy with the world! 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