Pack of 50s. Standard size (fits comics from 1970s to current)
- Full-Backs: These are the highest quality boards found anywhere! At 42-Mil, these are twice as thick as regular backing boards! Made from 100% acid-free, virgin wood, cellular fiber, 42 mil. thick cardboard. Contains a 3% alkaline buffer and a pH content of 8.0-8.5. Measures 7" x 10-1/2".
- Mylites 2: At 2-Mil, these are the twice as thick as regular Mylites! Resistant to aging, decomposition, moisture, oxygen, and gas penetration. Not affected by fungus, mold, or mildew. Immune to insect and rodent attack. The fold-over flap can be tucked in or taped closed. Measures 7-1/4" x 10-1/2" Plus 1-1/2" Fold-over Flap.
50pcs each.