These label protectors are designed to be placed over book or spine labels to keep them from falling off and to protect them from damage during normal use of the item.
Specs:
Usage: Book/Circulation or Spine labels (general purpose protection)
Mil Thickness: 4-mil
Material: Polyolefin
Adhesive: Acid-Free Acrylic
Finish: Matte
Quantity/Roll: 250/Roll