1000 12" LP / Album White Paper Vinyl Record Sleeves / Protectors - Heavy 20# Weight Paper With Hole For Viewing Label - Bright white heavy weight 20# paper Rounded corners allow the vinyl to easily slide back into the jacket Exterior seams mean the inside of the sleeve has no flaps to struggle with when putting your vinyl away Our popular LP sleeves feature rounded corners and center hole. Made from 20 pound, non-acidic paper, our sleeves are perfect replacements for worn and yellowing original album sleeves.