- A) Ensure all images are high-quality
- B) Include all varieties of a product in one image
- C) Display the merchant website name over all images
- D) Include brand names in the images
Explanation: You should submit the largest, highest resolution, full-size image you have for the product, up to 16MB file size is accepted. Recommended image size is at least 800 x 800 pixels in height and width.
Read more here: https://support.google.com/merchants/answer/188494#image_link