5x7 Pre-cut Mat with Whitecore fits 4x6 Picture with Backing Board and Clear Bag Pack:20 Pack Available in multiple sizes and

Available in multiple sizes and colors

Strong and Lightweight: Made from high-quality corrugated cardboard

providing reliable protection for your items during shipping

general book repairs

5x7 Pre-cut Mat with Whitecore fits 4x6 Picture with Backing Board and Clear Bag Pack:20 Pack Available in multiple sizes andKey Feature: Set Includes: 5x7 Picture Mats, Backing boards and Clear bags. Mat Opening Size: 3. 5x5. 5 inches Mat Thickness: The mats are beveled cut with white core and 4 ply thick (about 1. 4 mm or 1 16 inch), Backing Board Color: White on both side with brown core Clear Bag Strip: The re sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap. Transform Your Essentials With Our Versatile Mat Boards Showcase