Does anyone know if you can buy re-cover kits for these high back dining chairs. I got these from Freecycle - frames are good but the fake leather stuff is all cracked. There are plenty of 'slip covers' out there but I reckon they will slip around and look rubbish fairly quickly. What I cant find is a back and base set (i.e. two seperate items that can replace the current covers on the existing frames - any ideas? They arent worth spending much on but didnt really want to add to landfill...