Personalized 100 Days if Growing | 100 Days Of School Infant Dress. With our 100 Days of School design apparel, your child will not only look stylish but also feel a sense of accomplishment. It's a great way to celebrate their hard work, dedication, and progress throughout the school year. So, make their 100th day extra special with our cute and happy 100 Days of School design apparel. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!