Personalized 3rd Birthday Space Rocket Boys Women's V-Neck T-Shirt. 3rd Birthday childs rocket blasts off to outerspace on this Women's V-Neck T-Shirt - Aqua with I'm three celebration slogan, a great party photo gift for boys or girls turning 3 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