Personalized 100th Day Of School Pencil Women's V-Neck T-Shirt. 100th Day Of School gifts. Smiling School Pencil Women's V-Neck T-Shirt - White for the teacher celebrating this school milestone each year. 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