![Prinz Glassine Sleeves](https://www.prinzuk.co.uk/853-large_default/prinz-glassine-sleeves.jpg)
Prinz Glassine Sleeves
For postage stamps, blocks, postal stationery etc., transparent, acid-free. All sleeves are open on the broad side and have a flap. Sleeve format width x height + flap in mm.
In packs of 50pcs.
Glassine is an environmentally friendly material and is made from cellulose. These bags are grease-proof, but not water-proof. The transparent paper is acid-free, ensures long-term storage and is recyclable.