Clear Archival Polypropylene Envelopes
Comes with a 1-1/2" Resealable flap. Crystal clear material with a Mylar-like, uniform flat surface. Photo shown is the "B" style sealing method. The sealing adhesive strip is on the body of the protector, not the top flap.
NO harmful plasticizers; chemically inert material. Great for protecting all paper items.