Marigold 13" 4-Roller Pouch Thermal Laminator 1 Minute Warm up High Speed Laminating Machine,neither 12.5 nor 12 inches (LM341B) 1 minute warm up time on 3mil temperature setting. Max less than 2.5 minutes warm up time on 5mil temperature setting. 18 inches/min High Running Speed. Takes 38 seconds to finish the lamination on letter size pouch, namely it mere takes one hour to laminate 100 sheets of letter size pouch Professional 4 rollers design: 2 hot roller and 2 cold rollers. Protect your Photo much more better in a far way professional way. 4 Temperature settings for Cold pouch -- 3 mil -- 4mil-- 5 mil with professional finish Includes ready light to signal when machine has warmed up