Archival Corrugated Sheets - Gray E-Flute (4-Ply) Sample Product Gives you a rigid surface

Gives you a rigid surface behind your mounts

Cut edges remain crisp for clean

Cotton gloves and micro-wipe cloth included to prevent surface marks

Puncture resistant

Perfect for making protective folders for artwork

Archival Corrugated Sheets - Gray E-Flute (4-Ply) Sample Product Gives you a rigid surfaceArchival Corrugated Sheets 4 Ply thickness Select the sizes you need and pick a quantity. Lightweight, Easy to cut, Affordable, Certified Archival Use to fill backs of frames and add rigidity to the structure. Perfect for making protective folders for artwork. E Flute (4 Ply) Archival Gray Corrugated Use only the highest quality your frames deserve it!