Personalized 2nd Birthday Cake Girl T-Shirt. Whether you're baking up a storm or simply looking for the perfect outfit for the birthday girl, our 2nd birthday collection has you covered. 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.