100 Plastic Outer Sleeves for 10" Vinyl Records #10SE03 - Protect the Record Jacket & Protect Against Dust! 3 MIL THICK! (Albums / Outersleeves) This is a great quality, 3 mil thick sleeve Stands up nicely when record jacket is inserted. Protect the Album Cover (Jacket) Artwork with this Sleeve Made of virgin first quality polyethylene - stronger seams FLUSH CUT