Itoya Art Profolio PolyZip Envelope For 9x12 (12 Pack)
The Art Profolio PolyZip Envelope seals out the elements to help resist dust and moisture. An expanding gusset provides flexible storage for a single or a stack of art and photo materials; Ideal for carrying supplies and organizing projects too. The Art Profolio PolyZip Envelope also has a single sheet pocket in the front for a routing slip or a content sample.
or 