Natural Uniformsunisex-child 1016 Lab Coat

How many lab coats does this include? The description says a 3 pkt..so are there 3 coats?

i am 4'8 34 in chest I wear size 00-0 would a large or xlarge fit me?

Is the 2/3 size like a 2T/3T for children?

Where is this made? usa or in china?