Personalized 6th Birthday Space Rocket Astronaut Women's V-Neck T-Shirt. 6th birthday Women's V-Neck T-Shirt - Aqua has colorful space rocket ship and I'm six quote for boys or girls celebrating being 6 years 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