Personalized 14th Birthday Party Gift Women's V-Neck T-Shirt. 14th Birthday Party Women's V-Neck T-Shirt - White has a unique and colorful balloon and stars logo in rainbow lettering with Party - 14 Rocks bday slogan. Get ready to celebrate in style. 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