really want an armrest in my mk4 6L ibiza

[kanyewest]

ive just seen this which seesms a lot more affordable the n the n£80 armrests ive seen already. could this somehow be fitted into my old car?

https://www.ebay.co.uk/itm/SEAT-IBI...=item3d456b1371:g:EK8AAOSwMGVaYmAG:rk:28:pf:0