35pt, acid-free, 3% buffered backing board. Genuine acid-free, cellular fiber. Meets strict U.S. Government standards for archival storage. 3% calcium carbonate buffer throughout, maintains a neutral pH. One side white. The highest quality backing board available anywhere. Sold in packages of 50.
Protect Your Collectibles from the Effects of Aging
Get Protection from a Variety of Hazards!
- Humidity
- Volatile Poly Bag Breakdown
- Acid Migration
- Oxygen Decomposition
- Insects
- Ultra-Violet Fading
- Mold & Mildew
- Oils & Greases
Sold in packs of 50 sleeves!
- Made from 2 mil thick Mylar D®.
- Dimensions are width x height plus flap.
- Flap can be folded over, tucked in, or taped closed.
- The 2 mil sleeves are twice the thickness and 4 times the protection of 1 mil thick bags.
- The most popular Mylar sleeve.
Keep Hunting
You May Also Like
Come Back For
Recently Viewed
SELL YOUR
COLLECTION
Send photos of your comics with your asking price, receive a direct buying reply usually within 24 hours, and choose bank transfer or PayPal if you accept our offer.
1. Send Photos
Share photos or a list of your books for review.
2. Get Valuation
Receive a direct buying reply, usually within 24 hours.
3. Get Paid Fast
Accept and get paid by bank transfer or PayPal.
Fast Valuation
Send photos and your asking price for singles, keys or a full collection, and receive a direct buying reply usually within 24 hours.
Secure Payment
Choose bank transfer or PayPal payout as soon as your books are verified.
No Hassle
We arrange labels and secure collection for higher-value books and larger consignments.
