Guard Your ID Rollers help you cover any length of text and can be used on uneven surfaces. Refill is perfect for use with Guard Your ID Rollers (sold separately). Helps protect you from identity theft. Provides a simple and convenient alternative to paper shredders. Uses special formulated oil-based ink. 1" W stamping surface. Pattern is specifically designed to mask printed letters. The oil and pigment based ink resists removal. Not recommended for use on glossy or coated papers. Imported.