Personalized Happy 100 Days Of School Women's Plus Size T-Shirt. This Happy 100 Days Of School design apparel is a great way to commemorate a memorable milestone in your child's academic journey. Whether as a gift or for your own child, this cute and happy design will capture the excitement and achievement of reaching the 100-day mark. Get yours today and make the 100th day of school even more special! 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)