In the new colour it section, you can choose your design and change the colours, adding also your logos. You just need a jpg to create your own design in a very easy way. To use it, enter in the Customize and click  colour it.. Click USE YOUR LOGO and then BROWSE. In this way you can choose your logos. After you have chosen the logo to use you just need to click on next and choose the graphic you want to customize. You can change the colour and clicking on ATTACH YOUR LOGO you can position it where you prefer, in the dimension you want.