Apex Standard Laminating Pouches, Letter Size for 3 Mil Setting, 50 Pack (5242701) Protect and enhance important school, home and business documents Clear, durable finish Standard pouch thickness for 3mil setting Letter Size, 9 x11.5 Compatible with all laminator brands Laminating pouch to protect and enhance important documents with a clear and durable finish Standard pouch thicknesses for use on 3mil settings Medium pouch thicknesses for use on 5mil settings Letter size laminating pouches Compatible with all laminator brands