The document provides instructions for customizing reusable grocery bags sold on Zazzle. It describes how to personalize a bag by changing the name, and how to further customize it using Zazzle's design screen to add images, colors, fonts, and more. The instructions are broken into steps with screenshots to illustrate how to access customization options like changing the background, exploring font options, and using filters. The goal is to guide users through the process of designing their own uniquely personalized reusable bags.