Trodat's® Refill Inks can be used for ID Protector & ID Protector+. So there is no need to replace the product after its ink ran out. The special shape of the refill bottles make the products easy & clean to refill. This product is refill ink only; ID Protector is sold separately! WORKS ON GLOSSY PAPER WITH UNLIMITED REFILLING: After the ink runs out, there is no need to replace ID Protector(+) it is easy and clean to refill. Trodat Refill Inks can be used for ID Protector and ID Protector+.