Rubber sleeve is aging, you need to be careful not to tear it. Due to the long-time storage. The zipper doesn't work well now.
Some teeth are loose or lost. Please pay more attention when you use. It is an old stock and has a little musty smell. You can put it in the sun for several days to remove it. We pay special attention and time to ensure that the products are well-packaged. You can order it confidently.