(100) Archival Quality Acid-Free Heavyweight Paper Inner Sleeves for 7" Vinyl Records #07IW This listing is for 100 individual inner sleeves 7-1/8" x 7" (or 180.98mm x 177.8mm) 20# Paper The paper used to make these are also certified by the Sustainable Forestry Initiative, and made with 30% post consumer waste. These sleeves are archival quality: acid-free, and alkaline-free!