3M Self-Sealing Laminating Pouch Self-sealing laminating pouches offer instant, permanent document laminating without heat or hassle. No heat or machine needed. Easy to use. Just open the sheet, place document on clear film, remove liner and seal around the edges. Requires no special tools or equipment needed. Laminating pouches deliver two-sided protection in one application. Ultra-clear to let important information show through. Photo safe, acid-free.