The product is suitable for use on all types of porous and non-porous surfaces (do a test first). Suitable for interior and exterior use. Formulated with highly U.V. resistant pigments. Refillable with MTN Water Based refill cartridges. Very fast drying. High quality & opacity. Silk matt finish. Easy and smooth application. Good hardening. Does not contain lead or other heavy metals. Does not contain scented solvents. Highly weather-resistant once dry. Long-lasting color. Good U.V. resistance. water-resistant once dry. INSTRUCTIONS FOR USE – Shake well before use. Pump the paint by gently and repeatedly pressing the felt tip into the valve until it becomes soaked in color. Apply to clean, dry surfaces. Product dilutable with water and permits up to 15% ethyl alcohol or acetone dilution. Stains on hands can be cleaned with warm water. once opened, make sure the container is closed tightly.