Refill for self inking stamps Trodat Printy Printy 4916. Help to extend the use of your stamp impression – pack of 2\r\nInk cartridges are easy to change due to clips on sides and click-into-place-mechanism helping to keep clean fingers\r\nWater based stamp ink delivers thousands of uniform and clean impressions\r\nReady-to-use in all climate conditions, the pad stays fresh by drawing moisture from the air