Where can I find the manual of the Sumo Sofa velvet recycled?

If you click here, you can find the written instructions for installing Sumo (fabric Weave, Velvet, Mingle).
You can see the instructional video below:

Click here for the manual of the Sumo Armrest and below for the instruction video: 

See below how to replace the cover of the Sumo Sofa seat here:

See in this video how to replace the Sumo Sofa's back cushion: