EFFECTIVE & RELIABLE: This ergonomically designed ink roller helps protecting your identity by concealing personal information with its 1.0 INCH WIDE and unique impression pattern. Trodat ID Protector uses special ink that cannot be washed off, erased or affected by sunlight (on standard copy paper acc. to DIN14145-2). EASY TO USE: Conceal your personal information with JUST ONE ROLL (do not roll multiple times!). Never waste time again with shredding, pen scribbling, removing shipping labels by hand or ripping paper into pieces. MULTIPLE USE: It can be used on any kind of invoices, authority documents, checks, bank statements but also round objects like prescription bottles and much more. IT ALSO WORKS ON GLOSSY PAPER like shipping labels. UNLIMITED REFILLING: The total length of the initial ink load can reach approx. 330 FEET (100 m) of the concealing impression. After that, there is no need to replace Trodat ID Protector it is easy and clean to refill. A CONVENIENT ALTERNATIVE: Unlike shredders this product has more application fields like carton boxes with shipping labels or round objects. It is also space saving, portable, quiet and mess free.