This package contains one 0.5 fluid ounce glass bottle of Terracotta Liquid Watercolor from Hero Arts. This is a pigment-based, translucent watercolor. This watercolor is easy to blend and mix. It can be diluted to the color intensity you prefer with water and will set well when dry. This liquid comes in a glass bottle with an eyedropper screw top for your convenience. This watercolor is acid free and archival.