Personalized Dinosaur Astronaut 1st Women's V-Neck T-Shirt. Dinosaur Astronaut is floating in space with a 1 balloon celebrating its 1st birthday. Cute birthday gift for your one year old! 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit