These Swedex 5mil 12" x 18" Menu Size High Speed Laminating Pouches are made from superior materials so that they can run at high speeds with consistancy. These pouches are auto detetected by Swedex PouchJet Pro II laminator to run at the optimal speed and heat settings. Each pouch is barcoded so the PouchJet Pro II laminator can easily identify which settings to use, eliminating user error.