Was this for people with a "serious" problem?
Bronco - (spanish) harsh, rough, coarse, rugged, hoarse, gravelly, wild (horse), fierce.
What a weird name to give toilet paper
https://www.ebay.co.uk/i/174177084697?chn=psI wuz brung up proper - we had the posh interleaved version.
Had a golliwog like the picture too - loved him dearly.