To create a product listing on Facebook Marketplace, follow these steps:

1. Open the Facebook app or go to the Facebook website and log in to your account.
2. Click on the Marketplace icon, which looks like a storefront, located on the top menu bar of your Facebook homepage.
3. Click on the “Sell” button on the top right corner of the Marketplace page.
4. Select the type of product you want to sell and fill in the required fields, including title, description, price, location, and category.
5. Add photos of your product. You can add up to ten photos.
6. Review your listing and make any necessary changes.
7. Click on the “Publish” button to post your product on Facebook Marketplace.

When creating your product listing, make sure to provide accurate and detailed information about your product. Use clear, high-quality photos that showcase the product from different angles. You can also consider including keywords that potential buyers might search for, as well as any unique selling points or features that make your product stand out.

It’s important to note that Facebook Marketplace has rules and guidelines that sellers must follow. For example, prohibited items include weapons, drugs, and adult products. Be sure to review Facebook’s policies and guidelines before creating your product listing.