Sign Customiser now gives you greater control over how products are published to your Shopify store. You can now choose whether new products should be created as “Active” (immediately visible in your store) or “Unlisted” (active but not visible in your store or search results).
Learn how to switch your default product status to Unlisted, and see the other ways to keep custom sign products off your storefront:
You can also read more about Shopify’s Unlisted product status here:
https://help.shopify.com/en/manual/products/details/product-details-page#unlisted-products