Go Cubs Rally Book is unstoppable - it can't be torn or thrown out! The Go Cubs Rally Book let's the youngest fans rally around all the action of their favorite baseball team - Pitch, Hit, Run, Catch, Throw! Absolutely adorable illustrations capture all the excitement. These books are printed on Tyvek so they are practically unstoppable - they'll outlast even the strongest little fans! Our new series is a sure home run for the newest fans teething on and cheering on their favorite team. Officially licensed by Major League Baseball. A great gift item for baby showers, father's day, birthdays, Christmas and all the holidays!