Sorry, but you've misheard the expression. You should say that something is "part and parcel OF" something else. It means that the first thing is an essential part of the second thing. For example, "Staying at a comfortable hotel is part and parcel of an enjoyable holiday" or "getting stuck in traffic is part and parcel of driving in London".
As long as 600 years ago, one meaning of the word 'parcel' was simply 'part'. As a result, putting 'part' and 'parcel' together in one phrase was just a way of emphasising that the two things concerned were firmly related/conjoined. Shakespeare uses it more than once.