Personalized 50th Birthday Cake Women's V-Neck T-Shirt. Pretty black and white polka dot 50th Birthday Cake Women's V-Neck T-Shirt - White you can personalize for a friend turning 50. 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