The coverings were very like our modern string bikini.
Some bikinis come in a string bikini style, so that only a narrow waistband connects the panty's front to the back.
For something less overtly sexy but still a cute bikini, you can try Big on Batik, which has string bikini tops and briefs in lively colors.
Being full-figured doesn't mean you can't indulge in fashion trends, and if you like to wear low-rise jeans, you need some great low rise plus size string bikini panties to wear under them.
There are those who say that plus size women should stay away from low-rise jeans and trousers because they are unflattering, thus rendering low-rise plus size string bikini panties moot.