PrevaGuard Mechanical Pencil contains built-in protection on the pencil to suppress bacteria growth. EPA-registered antimicrobial agent is molded directly into the pencil. This helps protect the pencil by suppressing the growth of bacteria, molds, mildew & fungi, especially in high-moisture environments. Lasting for the life of the plastic barrel, it also enhances pencil's freshness, fights undesired odors, staining & pencil degradation. Smooth-writing lead is perfect for notes, homework, standardized tests & your daily crossword puzzle. Easy-to-use design provides new lead with a single click. Each pencil includes three 0.7mm, No. 2 graphic leads.