Zig Memory System is an exciting, innovative range of pens, markers, and glues designed to give you all the options for preserving treasured memories and valuable archive material. Zig Memory System products are acid-free, lightfast, waterproof, fade-proof and non-bleeding. As well as the famous Zig range of pens, markers and unique writing tools, Kuretake provides numerous products to the sign industry, fine artists, graphic designers and the educational sector. You can trust Zig Memory System...designed with time in mind!