When we first got izzy i picked up a couple of the bags of the cat litter that the RSPCA sold.. and for ease i picked up 2 more the last time i needed some..

its only £8 a bag or something, though i cant remember what size the bag is

but i think i need to start looking for my own preference, which is why im now looking into it..

The last stuff i picked up from the RSPCA was Platts Superior wood based Kitty litter, though i cant seem to find that on the net hehe