Our after Christmas Promotion until the end of the year is a FREE BirdieBall Hat with every Putting Green Order! We want to say thank you for a great year, so any Putting Green order until the end of the year receives a free BirdieBall hat in either Black or White. If you have a preference tell us in your notes section. Thanks again, and have a Happy, Happy New Year! Yes, they are the most portable putting green on the market. Moreover, they are the most authentic putting green on the market.