I ordered this 5'x7'6" Vache Power Loom Blue/Beige rug from Bingalow Rose.  The delivery was fast and it was neatly wrapped. According to the description it is made of polyester. The back side is a solid black. 
The colors are really Suttle and pretty.  It goes nicely with the darker blue color in the room. I like the design and how it's not busy, but just enough to catch the eye. It's soft to the touch and the perfect size for just a pop of color in the bedroom. 
I would recommend this rug.