Description Pro-Stain is a water-based, high quality stain made for use with existing unsealed interior or exterior concrete surfaces.  It penetrates the surface of concrete and forms a breathable finish that can be sealed when dry.  There are limited colors available, please see drop down list for colors available in Pro-Stain. 1 Kit includes two 32 FL OZ bottle which form the base product, and one 2 LB jar of Pro-Stain Pigment PRO-STAIN TECH DATA