Personalized 15th Birthday Party Women's V-Neck T-Shirt. 15th Birthday Women's V-Neck T-Shirt - White has colorful polka dot number 15 and Time To Party quote on this great bday celebration 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