Uni-ball Signo Gel Impact gel ink pens are the opaque gel pens that everyone is talking about! Silky smooth, gel ink that doesn't skip or fade out when it dries - a must-have ink pen for writing on dark paper, cardstock, photos, over stamped surfaces, etc. Acid-free and writes with a nice even flow on paper and photos. Great for scrapbooking, card making, other paper crafts. 1 mm point. Stock up today! White, Gold, or Silver Sanford UM-153 Uni-ball Signo gel ink pens.