Pack Of 48, Huntz Self-Adhesive Laminating Sheets, Clear Letter, 4 Mil Thickness Very Easy To Remove Backing Single-sided use is not recommended : Lamination requires the use of two sheets. If you only laminate one side with one sheet, the adhesive strength may not be sufficient. The package contains 48 single-sided laminate sheets : Two Laminate Sheets are Required to Cover The Front and Back of 8.5"x11" Paper. The self-laminating process has been designed to be more user-friendly and with adhesive strength intentionally set at a moderate level to prevent damage to the original document. No Machine Needed / Easy to Use :Easy to Remove Backing Clear Letter Size (9 x 12 Inches), 4 mil Thickness Please cut the sheet leaving a bit of margin so that the front and back sides are attached. This sheet is used for photos, documents, etc. and can be easily used without a special machine. for better results, we recommend using two sheets and lamination both sides. This makes it longer lasting.