High Density Stabilized Polyethylene Holds 1 Record 12-1/8" x 12-1/8" 3 Mil Thick Protects Against Dust & Paper Scratches These high density stabilized polyethylene plastic sleeves provide the best possible protection against dust and scratches. These sleeves do not sweat like low density inner sleeves and stands up inside the jacket instead of bunching down on the record. They measure 12 1/8" x 12 1/8" and are 3mil thick. CUSTOM PRODUCT MADE & DISTRIBUTED EXCLUSIVELY BY SQUARE DEAL RECORDINGS & SUPPLIES!