Imported from Japan these extremely thin inner covers are made of transparent HDPE film with a rounded bottom. Anti-Static film thickness is 23 microns (0.023mm). Dimensions: approx 305mm x 310mm. Available in the UK only through Covers 33
Why shouldn't you use PVC sleeves for storing vinyl records? – Atlas Records
12-Inch Record Paper Inner Sleeve - Anti-static
12 Vinyl Record Inner Sleeves -Pack of 30, Record Player
100-pack - 12 HDPE Japanese Style Inner Vinyl Record Anti Static Sleeves, thickness 40 micron
My favorite anti-static record sleeves are on sale for Prime Big Deal Days
25 X 12 Japanese Style Inner Record Sleeves With Round Bottom Anti Static HDPE Material - Canada
MA RECORDINGS INNER SLEEVES - The Audiophile Man
Japanese Style Anti-Static Inner Sleeve - Pack of 100
BioClean™ Nerva BNAL
Anti-static inner sleeve, ultra-smooth, thin and rounded on two sides. With dimensions perfectly adapted to the vinyl record, this sleeve allows you
100 Japan Inner Sleeves for 12 Inch LP