The stock of zipper, 2CHC concealment of zipper products, is the length of your designated frankly does not have an inventory. In the case of processing production, it is possible to process by making a longer zipper, but in that case the delivery time will be faster, but the unit price will be higher. If you want to process from a long stock immediately, please select "priority on delivery date (unit price increase)".
The following article is about coil zipper, but I will write about the zipper inventory.
https://apparelx-news.jp/apparel-material/zipper/coil-fastener