Permanent Markers (12-Pack)
12-pack permanent markers. Contains xylene and other VOCs. Sharpie is the most popular permanent marker brand.
How scores are calculated
Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.
Packaging (20%): Is the product packaged in plastic? Is it recyclable?
Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?
Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.
This is a rating of this specific product only — not the company. Other products from this brand may score differently.
Last updated: April 6, 2026
Office and school supplies contain phthalates (in vinyl binders, folders, and backpacks), BPA (in thermal receipt paper), and VOCs (in markers, glues, and correction fluid). Children spend 6-8 hours per day in school environments with these products.
Why We Rated It This Way
Sharpie permanent markers contain xylene and other VOCs that are released during use. In enclosed spaces (classrooms, offices), VOC concentrations can build up. Use in well-ventilated areas. Water-based markers are safer alternatives for children.
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
xylene
VOCs released from permanent marker ink
Respiratory irritation, neurological effects with high exposure
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.
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