This is the 2 oz. size MaxLight Pre Inked Stamp Ink. It is a special ink used ONLY in Maxlight Stamps. Do not use with Ideal Self Inking Stamps, Maxum Plus Rubber Stamps, Max Stamps, Trodat Self Inking Rubber Stamps, 2000 Plus Daters and Stamps, Cosco Eagle Zephyr Comet and other dater products, Colop Green Line Self-Inking Stamps, Xstamper, Maxlight Stamps, etc. Choice of Black, Red, Blue or Green or Purple ink.