8-color marker set, compatible with both oil-based and water-based inks, made of durable PP material. - Number of colors: 8 - Product name: Magic Ink No. 700 - Usage: Compatible with both oil-based and water-based inks - Material: PP - Features: Kowahon (likely a brand or model-specific term) Thank you for looking. I purchased these at a kindergarten and stored them with name stickers attached. They are unused because I used hand-me-downs, but there are some areas where the paint has chipped off when I removed the name stickers.