Phano wax marker pencils for making clear bold marks on china glass wood enamel and other surfaces. Long-lasting use resistant to water and fading. No need to search for a sharpener paper wrapping peels away using tear-string. Conical tips for smooth writing. Immediate adherence to a wide range of porous and non-porous surfaces including china glass wood plastic stone enamel stone rubber and even cellophane. Permanent on porous surfaces but can be removed from non-porous materials. Colorfast and water-resistant. White china markers. Box of 12. PMA certified non-toxic. ACMI Certified AP Nontoxic. For detailed information see www.acmiart.org. Less harsh chemicals - made with fewer harsh chemicals or safer chemicals than typical alternatives helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.