This Chew Ease Topper Pencil is almost invisible. Easily slides over the tip of a standard pencil to put self-regulation where you need it, and available when you need it. Improve work productivity and concentration. Great for environments where chewing gum is not allowed. A lifesaver for homework, too! Improves concentration and productivity. Great for use when gum chewing is not allowed. Socially appropriate and almost invisible. Slides over standard pencils. Set of 3.