500-Pack Blue 7" 45rpm Inner Sleeves for Vinyl Records — Archival Acid-Free Super-Heavyweight 29# Paper with Hole, 7-1/8" x 7", 1/4" Lip (07IWBL)

Pack of 500 blue inner sleeves made for 7" 45 RPM records (model 07IWBL). Each sleeve measures 7-1/8" x 7" and includes a center hole plus a 1/4" lip to make inserting and removing records easier. Constructed from super-heavyweight 29# paper for durable protection. These sleeves are archival-grade — both acid-free and alkaline-free — and sold as 500 individual inner sleeves.