Personalized 5th Birthday Penguin cute Women's V-Neck T-Shirt. 5th Birthday Penguin cute Women's V-Neck T-Shirt - Heather has party penguin with hat and number 5 design. 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