Ready to crush kindergarten pin-back button. Pin-back buttons work as both great promotional items, as well as classic, fun accessories for your gear and wardrobe. Available in 3 sizes round (1.25", 2.25", 3"), they are covered with scratch and UV-resistant Mylar and come with a standard button-back. Proudly handcrafted and printed in the USA.Ready to crush kindergarten, Kindergarten, Love school, School, Teacher, By Artistshot.