C-Line - CLI65004 Cleer Adheer Laminating Sheets offer an ideal way to protect important papers, favorite pictures and more. Do-it-yourself laminating sheets are quick, easy and effective. Simply peel off the packing paper and apply. No heat or special equipment is needed. Sheets are super-strong, transparent, pressure-sensitive, waterproof, and tear-resistant. Polypropylene material will not crack or tear with age.