These are 7" 45rpm white paper inner sleeves with a hole. The inner sleeves measure 7-1/8" x 7" (or 180.98 mm x 177.8 mm). The sleeves feature a 1/4" lip between the front and the back for easy machine insertion. The sleeves have square corners and are made from heavy-weight paper (20#). Replace your worn out or torn inner sleeves and freshen up your collection.