If you are American , please help me!

My girlfriend want to get those products of The Sigma Beauty, but I couldnt understand well how she can get those products.

Please explain how.
Well if you could write in Japanese I'll glad you , but in English ok!

Sigma offers an array of products for people to choose from, but we’ve picked out the Top 5 products that are “Uniquely Sigma”. By promoting these products to your followers, you are showcasing one of a kind Sigma items which can give you an advantage when it comes to securing a sale. Making these products and their unique features and benefits known to your followers is a great marketing technique. Emphasizing the benefits could persuade potential customers to purchase Sigma over another brand. When reading through the following product features, try to think of the benefits each product will provide to your followers specifically.

http://sigmabeautyaffiliates.blogspot.jp/2012/08/unique-sigma-products-giveaway_9.html