Martyn 1584

Please can somebody help me out? I am currently doing up a RD 350 LC i done all the hard parts, i.e. RGV front and rear end plus much more but i am stuck trying to find a two tone seat cover, i know they are available but i havn't got a clue where from. I am looking for green and black. If any body could help me i would be very greatfull.