Personalized 100 Days Boy Monster Women's Plus Size T-Shirt. Women's Plus Size T-Shirt - Vintage Red with funny cartoon green monster wearing glasses with book, pencils and blackboard says 100 DAYS SMARTER. Cute 100 Days of School gift for book worms, book nerds and book lovers. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)