Happy 100th Day of School! Celebrate your child or student's first 100 days of school or kindergarten with this awesome design. Cool 100 days of school costume for kids. Happy 100 days of school design for teacher or kids! Teachers and children can feel awesome being 100 days smarter! Gift idea for the 100 Days of School celebration party in your kindergarden, preschool, elementary school or high school. Lightweight, Classic fit, Double-needle sleeve and bottom hem