We've got you covered. Scroll down to "Product Options" and click "Product Specs & Templates." There you'll find design specs and downloadable templates for each size option for your product.
Using these guidelines will allow you to gauge how much you'll need to adjust the size of your design for it to fit on the product – and avoid white spaces or gaps. If you have more questions about [designing your product](https://www.vistaprint.com/customer-care/help-center/360001225831/), visit our [help center](https://www.vistaprint.com/customer-care/help-center/) to get in touch with one of our experts.