Thank you for viewing. Zipper functions well. Serial number: TS2157 Accessories: Box This is a pre-owned item and has been handled by people, so please refrain from purchasing if you are looking for perfection, are overly sensitive, or do not understand the nature of used items. There may be stains, scratches, wear, and discoloration that cannot be captured in the photos due to long-term storage. Please refrain from purchasing if you are concerned about minor blemishes. Regarding stickiness: I have cleaned it with cleaner and baking soda. I feel that some stickiness remains, but I think it is usable. The price reflects this, so please understand and purchase accordingly. To prevent any trouble, please purchase after you are satisfied. No claims and no returns are accepted.