(25) Plastic 3Mil Thick Inner Sleeves for 12" Vinyl Records - 12IH03 - Protect Against Dust! Heavy Duty 3mil Thick These Slide Over Naked Vinyl Record And Into The Jacket Made out of High Density Polyethylene Plastic (HDPE) Measurements: 12" x 12" CUSTOM PRODUCT MADE AND DISTRIBUTED EXCLUSIVELY BY SQUARE DEAL RECORDINGS AND SUPPLIES