It is difficult to make a statement about the shelf life of the product as this depends on several factors such as sunlight, temperature and humidity, i.e. room climate. According to the manufacturer, the HD metal prints are particularly durable, which is why they are often used by photo artists for exhibitions. Because of their material, acrylic and gallery prints have their own UV protection. In general, however, you should avoid direct sunlight on posters or canvases, for example.