Fits Trodat Professional stamps 5117 5204 5206 5460 5460L 5465 5558 5558PL 55510 55510PL and5466PL. The ink is water based and contains no toxic substances no acid no formaldehyde and no heavy metals. The ink is hygroscopic meaning that it self regulates by absorbing the humidity of the surrounding air so that it does not dry out allowing prolonged usage. The pads are available in 5 standard colours black blue red green violet and packed in 2 pieces in a convenient blister. Dry felt pads are ...