The Diagraph GP-X Classic Valve-Action Paint Marker: Features: Contains Xylene Tried and tested Colors are always true. Best selling marker and an industry favorite Makes permanent marks on both porous and non-porous surfaces including - but not limited to - metal, wood, corrugated, rubber, plastic and glass. PLEASE NOTE: This product - due to the Xylene content - is classified as a Hazardous Material and cannot be shipped by air. Availability: Usually ships the same business day Diagraph GP-X Classic Valve-Action Paint Marker Classic$2.50Color: 0958-500 Yellow0968-500 White0968-520 Red0968-521 Blue0968-522 Green0968-523 Orange Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.