not even sure what these are called but its the chair thing that fits onto buggy to seat another child.well i have one,almosat new,i think i used it once or twice when i was staying with my mam who lived in the country and i needed to go to town with two kids.anyway it looks like its a pretty good one.big seat on it and foot rest.if anyone wants it they are welcome to it.give me a ring on 0872911758 orpm me.i dont want anything for it so if it saves someone a few bob all the better for them.