Native Display Specs
Headline: Maximum of 55 characters, minimum of 15 characters, including spaces
Description: Maximum of 120 characters, minimum of 25 characters, including spaces
Image: The image for native ads should not contain any text overlay. They accept 1200x628 and 600x600 pixel images in the following formats: JPG, PNG, GIF. Optimal file size is 750kb. The creative must be high resolution (300 pixels per inch and above).