This Chew Ease Pencil Topper 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! Set of 3. Abilitations Integrations. Set of 3 Improves concentration and productivity Great for use when gum chewing is not allowed Socially appropriate and almost invisible Slides over standard pencils.