She's an actual person and she lives in Melbourne. On RRR some time last year, one of their call ins was looking for Melbourne people with unusual names. A couple of people called in saying they one knew Polly Esther Cotton, and eventually she called in to the station.
I only like wearing cotton to bed, or silk, but I find it hard to find like items for the girls, so we made our own. We're now waiting for warm nights.