Happy 100 days of school design for teacher or kids! Happy 100th Day of School! Celebrate your child or student's first 100 days of school or kindergarten with this awesome design. Teachers and children can feel awesome being 100 days smarter! Lightweight, Classic fit, Double-needle sleeve and bottom hem Celebrate your child's or student's 100th day of school in style with our unisex, lightweight, and modern T-shirt. This classic fit, short-sleeved shirt features a unique '100 Days Smarter' design, perfect for teachers and kids alike. Made with a blend of cotton and polyester for comfort and durability, it's suitable for all seasons and occasions. Machine washable for easy care, this T-shirt is a great addition to any school-themed wardrobe.