Scotch Thermal Laminating Pouches, 8.5 Inches x 11 Inches, 20 Pouches, 2-PACK These are 3 mil thick thermal laminating pouches for use with thermal laminators. It is a letter size pouch in a 20 pack for retail accounts. Laminate items up to 8.5 x 11 Inches Protect documents that you handle frequently. Great for children's artwork! Photo safe