Stubby Pencil Studio

KUM Natural Rubber Eraser

$2.50
Color: red

Pickup available at Stubby Pencil Studio

Usually ready in 24 hours

For pure, chemical-free precision, the KUM Natural Rubber Eraser is the fine artist's premium choice. Crafted using the natural sap harvested directly from rubber trees (Caoutchouc), this traditional wedge-style block eraser offers an exceptional plant-based alternative to standard synthetic plastic varieties. The inherently soft, tacky profile of natural rubber grips deeply onto embedded graphite granules and charcoal dust, lifting them completely off the sheet without relying on abrasive chemical scrubbers or leaving a greasy film behind. It features a completely bare, sleeveless design so you can enjoy the full tactile grip of raw rubber. It is the perfect companion for heavy sketching, layout drawing, journaling, and archival paper preservation.

Available in four clean color options to coordinate with your art sets and planners: choose from red, green, blue, or white.

Warning: Ages 3+ Choking Hazard: small parts. 

Specs + Details
  • Size: 1.55" x 1.05" x 0.3" (Classic small wedge block format)
  • Materials: 100% Plant-derived Caoutchouc tree rubber sap
  • Design: Bare, sleeveless block for a full tactile grip and zero extra packaging waste
  • Formulation: Completely free of plasticizers, synthetic PVC, phthalates, and artificial dyes
  • Art Grade: Extra-gentle layout cleaning for mixed-media, watercolor, and textured papers
  • Country of Origin: Germany
How it's Made

This traditional layout tool is crafted in Germany by processing pure latex liquid extracted from rubber trees. The raw Caoutchouc rubber is gently refined, blended with mineral pigments to achieve its classic solid hues, and molded into angled wedge blocks. Left entirely bare without any extra plastic or paper sleeve wrapping, this design minimizes packaging waste and gives you direct, uninhibited contact with the natural material.
Why it Matters

Many modern plastic erasers contain chemical softening agents that can, over time, degrade archival papers or leave a shiny, greasy film across charcoal and dark graphite drawings. This natural tree rubber model lifts dark pencil pigments purely via surface adhesion. It is entirely PVC-free, biodegradable, and ensures zero micro-plastic dust or synthetic chemical residues contaminate your fine art journals, sketchbooks, or delicate paper sheets.
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