45 rpm Record POLYESTER (Mylar) Sleeve
7-1/2 x 7-5/8"  4 mil.
Use for Indefinite Archival Storage of your  most valuable records 7" records. 

Sleeves fit over a 45 rpm record in a cardboard jacket or paper sleeve. They fit in our archival plastic corrugated 45 rpm Record Storage Box  X45125CP.

45 rpm Record POLYESTER (Mylar) Sleeve
7-3/8 x 7-5/8"  4mil
Snug-fit. NO flap.
Use for Indefinite Archival Storage  of your most valuable 7" records.

Sleeves fit over a 45 rpm record in a cardboard jacket or paper sleeve.
They are designed specifically to fit into our
museum-grade storage boxes X4550BB and X4575BB.