They are a floury potato and okay for mashing, but the potato doesn’t really have much flavour as a mashed potato.
They are better for French Fries (aka chips in the UK.)
Popular in Tasmania and California.
Bintje Potatoes store well.
Bintje Potatoes were developed by a K.L. de Vries from a cross beween Munstersen and Fransen potatoes in 1904. Released 1910 in the Netherlands; now royalty-free to grow commercially.