two twin mattresses

[GoodQuestion]

Free to good home... Two used twin mattresses... used but in pretty good shape...

[katiegrl]

Do you happen to still have the mattresses?

[mattresstx]

I have heard a lot about twin mattress. Are these any special kind of mattress?? I don't have any idea regarding the same. Right now I am using a soft foam mattress. Though its very relaxing, sometimes I caught severe back pain.Can anyone please tell me about twin mattresses or any other type of mattress that are helpful in having back pain?????