The crib mattress that I bought began to mildew and frey around the edges even though I had a waterproof mattress cover on it.The mattress just like all crib mattresses is supposed to be mildew and stain resistent as well as waterproof. When I called customer service they were rude and totally unhelpful. The 35 year warranty does not do any good against any of these issues. Their customer service is typical of what I find these days. I won't buy any more of their products in the future. read full review »