Personalized 1st Birthday Cupcake Pink T-Shirt. The 1st Birthday Cupcake Pink design is suitable for little girls who love strawberries and all things pink. The adorable design is perfect for children and babies, adding a fun and festive element to the birthday celebration. Whether it's for your own child or as a gift for someone else, this apparel and gift design is sure to be a hit at any first birthday party. 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.