Personalized Donut Lose Your Sprinkles I'm Going to be a Big Sister T-Shirt. Perfect for little ones who love donuts and want to share their excitement about becoming a big sister, this apparel is a must-have. It makes a fantastic gift for baby showers or as a surprise for the soon-to-be big sister. Get ready to sprinkle some joy and make memories with this adorable design! 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.