attributes in your title, such as strong brand names, age group, gender, size, color, size type, or personalization options. Provide customers with the most relevant information about your product to better match search queries and drive performance lift. Put key details at the front of your product title, especially if they’re not visible in the image. Product titles are truncated in most ad formats, so show your most relevant and compelling content at the beginning of the title to inform customers before they click through to your site. From: https://support.google.com/merchants/answer/7380908?hl=en