Set: 12 pieces of black identity theft protection roller stamp ink refills, each with a capacity of 2 ml, sufficient quantity to meet your daily use and replacement needs. Premium Material: These stamp roller ink refills are made of high-quality oil-based ink, which is long-lasting and does not fade easily, helping you conceal information effectively. Easy to Use: Just snip off the tip of the ink refill and gently squeeze to fill the fill hole on the side of the stamp roller with ink. Simple to operate, saving time and effort. Widely Applicable: These replacement ink refills can be used to protect bills, postcards, mail, credit cards, bank statements, tax documents, address information, and more. Practical Helper: These stamp roller ink refills help conceal personal information, office documents, and confidential data, making them a useful tool for home and office use. Product name: identity theft protection roller stamp ink refill Color: black Material: plastic Package Contents: 1 set x stamp roller ink refills Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.