Personalized Best Teacher Fish Women's V-Neck T-Shirt. Women's V-Neck T-Shirt - White with cute and colorful school of fish says WORLD'S BEST TEACHER. Teacher fish is leading the way. Perfect teacher appreciation gift for your favorite educator. 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