Otherwise known as Shirotaki noodles or Konjac noodles - diy research - great for low carb or keto diets - just use as a pasta substitute.
After draining each pack contains around 21 calories in the form of 200 grams of ultra low carb noodles.
"This Super Lo-Cal Noodles is made from the soluble fibre derived from the Konjac root. It has been used widely in Japan in hot pots and soup for many years. It takes on the flavours of the sauce or soup readily."
rinse rinse rinse rinse rinse - and then keep rinsing. The smell of these are pretty bad, but once rinsed properly, they are fine - perfect for Keto