Personalized Its My 9th Birthday with Cordelia T-Shirt. There's no day like your birthday. Celebrate your life, your strength, and your courage with Cordelia. It's My 9th Birthday with Cordelia T-Shirt - Light Blue, perfect for little fans of "Cordelia" by Michelle Nelson-Schmidt. Everyone loves our Custom T-Shirts! 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.