Mr. Pen pencil sharpener & eraser set is made of hard and light plastic. The inside blades are made of quality metal with a sharp edge; they do not easily rust and will not hurt children's hands, so they can be used with confidence. The top eraser is latex-free and has a lid that keeps it clean. Our pencil sharpener & erasers are designed so you can carry them with you or use them anytime and anywhere. Each pencil sharpener & eraser measures 1.76" x 2.85". Mr. Pen 2-hole manual pencil sharpeners are perfect for sharpening standard pencils and jumbo pencils. Also, pencil sharpeners feature a canister that collects pencil shavings for a mess-free experience. Once you're done, you can dispose of all the shavings quickly and easily. Teachers will love Mr. Pen sharpener & eraser package. They are great as good behavior incentives and rewards and are a fun addition to classroom prize bins. They are great for gifting to your children and students because they are fun and easy to use!