PRODUCT SHOPPING ADS
Product Shopping ads are the basic fundamental type of Google Shopping adsthat contain an image with a single product and basic information about that product.
SHOWCASE SHOPPING ADS
With Showcase Shopping ads, you can group a set of similar products into one ad. Customers can then compare the products directly within the ad and choose the one that best fits their needs.

LOCAL INVENTORY ADS
Local inventory ads helps you to showcase your products for local customers. When customers click on these ads, they arrive on a local storefront page where they see information like your current inventory and store hours.
Remarketing Ads
Use your data to re-engage people who have previously interacted with your brand or services on mobile or desktop. Your ads are shown to people in this segment as they browse Google or partner websites.