BCW Record Polypropylene Sleeves.  

2 Mil.  100 ct. $22.99. Protect. Store. Display. 

Inner Paper Record Sleeves 33 RPM - Round Corners - With Hole.  50 ct. $15. Protect Collectible 33⅓ Records

Will hold one 12" vinyl LP

Virgin paper

Dimensions:

12 1/8 X 12