Next, you need enter a description, keywords, add other optional details, and to upload product images. The rest of the tabs allow you to enter this information. The more product information you supply, the easier it is for customers to make purchasing decisions. Following Amazon's standards for detail page descriptions and product images will also make it easier for buyers to compare your product with similar products in the Amazon catalogue.
See Product Detail Page Rules to learn more about what kinds of details should and should not be included.
For instructions on adding images, see Adding Product Images.