This is Zazzle's 100 days of school buttons page, where you'll find a unique assortment of square 100 days of school buttons set up for personalization or purchase. Almost all custom buttons are shipped within 24 hours. Buy your favorite design on buttons measuring 2" x 2". Zazzle buttons are printed on recycled paper and have a scratch-resistant Mylar cover. Personalize button orders of all sizes. Upload your designs at no cost! To browse more products, please visit our main 100 days of school section.