Personalized Donut Lose Your Sprinkles But I'm Going to be a Big Sister T-Shirt. Ideal for girls and boys alike, this design captures the joy of welcoming a new sibling. It's a perfect gift for expectant parents or a fun addition to your own wardrobe. Embrace the sweetness of family growth with this delightful and memorable piece. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.