Faurot's Porelon fingerprint pads contain a two year supply of fingerprint ink which will take thousands of prints. The pads do not require re-inking. Simply replace with the F-1002 Porelon Refill Pad when the supply of ink is exhausted. Note: Remember to close the lid of the plastic case to prevent the pad from drying out. the pad size is 2.5" x 5"