Do not be a victim! Check washing is a form of check fraud where criminals steal checks from the mail and erase the handwritten ink using common household chemicals. They then rewrite the checks to themselves for any amount they choose. The pigmented ink in the 207 Gel Premier permanently binds itself to the paper fibers in the check, and cannot be washed off or removed! The stylish metallic and chrome design, and comfortable form-fitting gel grip of the 207 Gel Premier, makes this an ideal premium promotional item. The new and improved uni-glide ink formulation offers a clean write every time. With improved fade and water resistant 0.7mm black ink you can't afford to write without this pen. With the uni-ball 207 Gel, smooth just got smoother! Refillable, 0.7mm tungsten carbide ball delivers a 0.4mm line width. Waterproof, pigment ink. uni-ball 207 Gel Premier can be customized with a multi-color imprint.