What is the process for creating a product bundle listing on Amazon?

I’m supposing you meant a virtual bundle, for that you need to go to “Brands” and then to “Virtual Bundles”, there you just need to add products, images, etc.

Check if the products are eligible for bundling: Certain products may not be eligible for bundling. For example, some products may have restrictions on how they can be sold or shipped. Follow these steps
1.Create a new product listing
2.Choose a unique product identifier
3.Set the product title and description
4.Set the price and quantity
5.Upload product images
6.Publish the listing
7.Promote the bundle

First of Mr. Sylvester decide which products you want to bundle together. Now determine the SKU, each bundle should have a unique SKU to differentiate it from individual product listings. You can create a new SKU or use an existing one if you have one for the bundle.Set the price for the bundle.
By following these steps you can create the bundle listing:
1. Now, go to the “Add a Product” page on Amazon Seller Central and create a new listing for the bundle.
2. You will need to enter the product title, description, images, and other product information.
3. The “Offer” section, indicate that it’s a bundle by selecting “Bundle” as the product type.
4. Then, enter the bundle SKU and the quantity of each product in the bundle.
5. Set up inventory.
6. Click on the “Save and finish” button to save the listing. In this way you can create the listing.

For creating the bundle you ca simply click in the brand tab then there is virtual bundle tab in it from there you can add up your asins and can make bundle.