We offer lifetime colour and workmanship guarantee on all our indoor products. Over the years and over 100,000 reproductions, we have not has a single case of colours fading, distorting or changing. However, It all depends on the environment where the canvas hangs. Under normal conditions (away from direct sunlight), your canvas is protected for a long time. Our prints are all archival and gallery quality, and the colour will stay vibrant for at least 100 years.