(25) 12" Record Outer Sleeves - EXTRA HEAVY DUTY 4 Mil Thick - Soft Polyethylene - 12-3/4" x 12-1/2" - Archival Quality Made with Archival Quality, High Clarity Virgin Polyethylene EXTRA HEAVY DUTY 4mil Thick, Fits Single AND Double Gatefold Records 25 Sleeves Total 12-3/4" x 12-1/2" (323.85mm x 317.5mm) Flush Cut with Lip For Easier Insertion (no flap)