Personalized 40 Years Old Birthday Party Women's V-Neck T-Shirt. 40th Birthday party hat design Women's V-Neck T-Shirt - White with number 40 and party time quote. 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