These cacti are far from prickly, in fact, they're smooth erasers, perfect for getting rid of pesky little errors. Not only will they perk up your work space, they're so good at their job, you might find yourself making mistakes on purpose! Included is a set of four different cactus erasers, each eraser measuring approx. 2" tall and 1.25" wide. Great work or school gift, especially for succulent garden lovers!