A percentage of these have weak seems that can split if you pull on it. We can't check all of them, but it appears that 15% to 33% have this problem. If you're careful putting the record in, most of them could be fine.
These 3 mil high density polyethylene (HDPE) inner sleeves are a great replacement for cheap paper sleeves. The sleeves are thick enough to prevent curling when inserting into record jackets, and they are a lot less expensive than polylined paper sleeves.
Dimensions: 12 1/16" wide x 12 1/16" tall.
Lot of approximately 500 pieces - final sale