Personalized Butterfly Big Sister Women's V-Neck T-Shirt. BIG SISTER Women's V-Neck T-Shirt - White with smiling pink and blue butterfly with polka dotted wings surrounded by pink flowers. 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