Permanently protect business cards, ID tags and documents against dust and grime with one of our specialt pouches. Thermal - heat activated or cold self-adhesive with no laminator required for laminating pouches. The thickness labeled on the film is for just one side of the pouch. This means a 10 mil pouch consists of two 10 mil sheets (front and back) for a combined thickness of 20 mil. To get an idea on how thick 20 mil is, a credit card is 30 mil thick.