This pale blue-gray 10-pack of 16 x 20" Single Wall Corrugated Boards from Lineco can be used for print backers, picture framing, boxmaking, as dividers, or in any other application requiring a light, sturdy board. Each board is 0.125" thick, and made of bleached virgin fibers which are acid and lignin free.

Lineco employs alkaline buffering in their manufacturing processes to improve archival protection from acidic contamination. This buffering is accomplished with a 3% calcium carbonate reserve infused in all three layers.

Use for Print Backers & Picture Framing    Suitable for Boxmaking & Dividers    Smooth and Lightweight    0.125" Thick    Acid and Lignin Free    Alkaline Buffered / 3% Carbonate    Made of Bleached Virgin Fibers

Related Questions and Answers

Q: 1. What about1/4 male to 3/8 Female?

A: Impact Small 3/8"-16 Female Threaded Adapter to 1/4"-20 Male Threaded Post BH #IMCA103 • MFR #CA-103

Q: 2. Do these have a flap closure? The photo looks like it's an open ended sleeve. Thank you.

A: It's open-ended.

Q: 3. Is the opening on the long side or short side?

A: The opening on the Lineco Glassine Envelopes (4.25 x 5.25", 100-Pack) runs across the horizontal measurement of the 5.25" side.

Q: 4. Is it possible to put a matted picture (2 boards, 4 ply each) in these sleeves?

A: The print protectors I have are exactly 16.25 x 20.5 inches. I think you can probably fit your matted work into this (two 4 ply boards and an image in between), although it will most likely be a slim fit--which is a good thing, I believe, to keep the work from easily slipping out.

Q: 5. Do these come uncut?

A: Yes Lineco Conservation Mat Board (32 x 40", White, 10-Pack) is uncut mounting board.

Q: 6. Does this come in black?

A: Yes, you can view it on our website by clicking the link below; https://bhpho.to/2RfmCOT

Q: 7. what is the total thickness of the envelope?

A: It is about 31 microns thick.

Q: 8. Hello - can I add an additional 3/8-16 bolt in the middle to attach to a video camera? Can I fit both the 1/4-20 and the 3/8-16 bolt on the middle?Thank you.

A: We are not completely sure but would be of the opinion that no more holes could possibly be made in this piece of metal.

Q: 9. Can these strips be used for mounting 13" x 19" prints?

A: Yes, you can use the Lineco "See Thru" Mounting Strips - Pack of 60 to mount a 13" x 19" print.

Q: 10. Is it possible to print onto these sheets with an inkjet printer?

A: Unfortunately, it is not possible to print on these envelopes.