We use high quality Poly Blend Canvas. The canvas is printed with a 11 color Archival Printer with the highest color gamut. All canvas is varnished for lonevity, protection and preventing color from fading. Gallery Wrap Canvas is stretched to 1.5" Domestic Pine. Images are printed on Polyblend Canvas for extra protextion against scratches and fading. Inks used are Epson Ultrachrome HDR Inks Life Expectancy is 80 - 100 years in ideal weather conditions 1.5" of white space is left around image for mounting or stretching if more is needed there will be extra charges.