Once you have selected your product colour, sizes, and quantity, you can move on to the next tab to place your design. Here, you have the option of choosing your own logo or selecting a pre-made one provided by your school/organization. Please see Artwork Requirements for details on the quality and colours your design should be to be doable.
To upload a design, simply drag it to the box that says “CLICK OR DRAG LOGO HERE”. Alternatively, you can also click the box to see the following screen pop-up:
Here, you have the option of selecting your design from various locations, including browsing your computer. Please note that the acceptable formats for custom logos are .jpg, .png, .bmp, and .gif and the maximum size limit is 5MB. If available, you can later attach the source files (.ai, .psd, .pdf, .eps, and/or .jpg) by clicking the link beneath the upload link. Once you have uploaded your design, you see the following screen: