Personalized Dinosaur 5th Birthday Party Women's V-Neck T-Shirt. 5th Birthday Dinosaur Women's V-Neck T-Shirt - Aqua has cute green dino with number five and room to personalize for a birthday party gift. 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