Personalized Promoted to Big Sister Arrows and Hearts T-Shirt. Celebrate a special moment with the 'Promoted to Big Sister' T-Shirt - Scuba Blue. Featuring playful arrows and hearts, it's perfect for sharing exciting news in style and comfort. 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.