The CheckOutStore 45 Polylined Paper Record Sleeves are a archival quality product. We use high quality premium 24# paper lined with acid-free polypropylene.

Manufacturer: CheckOutStore
Part Number: COSRS45PPBLK

Specification:

• Category: Record Inner Sleeves
• Color: Black
• Size: 7"
• Style: 45 RPM
• Type: Square Corners
• Material: Polylined
• Measurement: 181mm x 178mm (7 ^1/8 x 7 inches)

Features:

• Protect Collectible 45 Records
• Will hold one 7-inch vinyl disc
• Virgin 24# paper Acid-free polypropylene liner