From the site:
Spreadshirt"Spreadshirt makes it possible for private and commercial internet site operators to market their homepages quickly, simply, and independently. Internet site operators can create an online shop with individually created products and connect it with their homepage within minutes. To operate a Spreadshop, you just need Internet access, your own designs or logo, and to market your shop online. Spreadshirt will take care of the rest from payment processing, production, and shipping to after-sales service."