From the Colorama site I would guess a background screen
At Colorama we offer our comprehensive range of renowned background paper, http://www.colorama-photo.com/paper-bac ... -specs.php
They also have a few pages of accessories for supporting the different backgrounds they sell.
I agree the Jessops description is not very clear as to what they are selling you.
Nikkor AF-S DX; 18-105 f/3.5-5.6G VR, 55-300 f/4.5-5.6G VR, 35mm f/1.8G
Speedlight SB-700 http://keystrokesukimages.com