Savage Universal Corporation was the first company to manufacture pre-cut mats to the trade. With extensive market research and over sixty-seven years of manufacturing experience, Savage provides an extensive range of packaged mats that directly reflects the needs of today's consumers. Available as both single and double mats, each and every ProMatte is manufactured to exacting standards. Savage ProMatte line of pre-cut mats was created to fit standard photographic and frame sizes utilizing our premium acid-free and lignin free Spectrum Whitecore and Ultra Blackcore matboard. Our ProMatte Museum Series mats are acid and lignin free. Each Museum mat is cut from our Double-Thick Spectrum Whitecore matboard.