PURPLE REFILL INK: this vibrant ink bottle is intended for ink pads and self-inking stamps from many manufacturers. Stamps from ExcelMark, Trodat, or 2000 Plus are ideal candidates for this refill ink. CRISP & CLEAR IMPRESSIONS: Maintaining your self-inking stamp’s ink supply is required to increase the longevity of your stamp. Apply a small amount of this ink is enough to make thousands of clear and crisp impressions. WATER-BASED FORMULA: The water-based solution of this refill ink provides more vibrant and clear impressions. 2 OUNCES: Your stamp requires minimal ink to produce thousands of clear and crisp impressions, meaning that one of these bottles is enough to last for over 2 years! EASY RE-INKING: Our ink bottle is designed with a precise tip, allowing you to accurately re-ink your stamp with minimal mess or stress. Squeeze a small amount of ink onto the entire surface of your ink pad. Replenish your old rubber stamp pads or self inking stamps for a fraction of the cost of new ones with ExcelMark Premium Refill Ink. ExcelMark is known for creating high quality products that simplify home or office tasks. Don't settle for generic ink that leaves faded impressions. Use ExcelMark Premium Refill Ink for crisp images every time.