Uni-Ball UM-153S Signo Impact Gel Pens, Red Gel, 1mm Rubber Nib (Pack of 12). These pens feature super smooth, vivid gel ink for expressive handwriting. Ideal for cards, journals, and letters, they deliver a bold, opaque line that stands out. The ultra-smooth gel ink and comfortable rubber grip provide a joyful writing experience. Uni-Ball Signo Gel Impact pens contain uni Super Ink, which is fade-free, water-resistant, and tamper-proof, ensuring your writing remains fresh for a lifetime. The pens are equipped with a strong, broad 1mm ball nib and are available in red, blue, and black.