pencil tip erasers

Pencil erasers are commonly made from plastic, synthetic rubber (including hard rubber), PVC (polyvinyl chloride), general rubber compounds, and formulations that include calcium carbonate. High‑polymer erasers are also common for cleaner, smudge‑free erasing.

Yes. Several pen-style pencil erasers use a clickable push button to advance and retract the eraser and are sold as refillable—many include two refill sticks per eraser.

Novelty food-shaped erasers and themed retractable pencil erasers are commonly promoted for kids, classroom treats, or party favors. Some novelty packs are marketed explicitly as party treats and note age suitability (for example, "suitable for ages 4+").

Many pen-style retractable erasers include a clip so you can attach them to notebooks or papers, and some block erasers come with a protective sleeve to keep them clean and secure.

Small block erasers offer sharp corners for getting into tight areas and larger flat faces for erasing big areas quickly. Beveled ends and firmer materials can also help resist paper tearing and produce cleaner results.