Scotch Self-Laminating Business Card/ID Protectors - 12 mil - 2 7/16" x 3 7/8" - 25 Pack3M Self Laminating Business Cards LS851 are self sealing laminating pouches which offer instant, permanent document laminating without heat or hassle. There is no heat or machine needed. Easy to use just open the sheet, place document on clear film, remove liner and seal around the edges, no special tools or equipment needed. The ultra clear design lets important information show through while protecting your business cards and adding a professional