• a product image, title, price, and merchant name
• a product image, background color, and price
• a product image, title, and price
• a product image, title, price, and extension

Explanation: Shopping ads allow you to include an image, title, price, and your store or business name inside your ads, without the need for you to create unique ads for each product you sell.

Read more here: https://support.google.com/adwords/answer/6275294?hl=en