Pre-Packaged Liquid Polymer is the newest and most efficient method of producing high quality stamp dies for self-inking, traditional mount and craft stamps. Simply place the pouch over your negative and expose! No need to apply damming material, pour resin or apply substrate. Everything is in the bag! Four sizes are offered so you can match the pouch to the stamp production batch you are making. No minimum quantity requirements! Order as many or as few pouches as you need. Notice our generous quantity discounts for orders of 20 or more pouches. IMAGEPAC RED -- Is for traditional mount stamps and self-inkers. It has a substrate backing sheet built into the pouch. IMAGEPAC CLEAR -- Is slightly thicker and incorporates "non-yellowing" polymer for art stamp applications. Substrate backing is not included in Clear pouches. Some modification to your equipment or glass exposure assembly may be required. Please call for details. Imagepac requires it's own Washout Detergent and Post Exposure Additive. The Washout Detergent is concentrated with one quart making approximately 6 gallons of washout solution. The one pound package of Post Exposure Additive will make approximately 4 gallons of post exposure solution. These items can be ordered separately in the above product options menu.