It is small and slender, with a wide brown hairy cephalothorax and thinner abdomen that has a pattern of light and dark patches.

The female has a slightly less distinctive abdominal pattern and an epigyne with a relatively long and narrow pocket.

[7] Small and slender, it has a shape that is typical of the genus, with a wide cephalothorax, thinner abdomen, very large chelicerae and very long endites.

[8] Rhondes flexibilis was first identified from specimens, which included the male holotype and female allotype, that were found around Mont Panié on Grande Terre, New Caledonia.

[10] Despite the existence of similar environments on other islands across the Pacific Ocean, there is no evidence of the species in any other locale, and so it is endemic to New Caledonia.