Personalized Little Sister - I Love My Big Sister Long Sleeve T-Shirt. Show your big sister some love with I Love My Big Sister apparel and gifts! Whether you’re celebrating a new family addition or just want to show your sister some extra appreciation, these thoughtful designs make the perfect gift. Perfect for pregnancy announcements too, this collection is sure to bring a smile to anyone’s face. 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