The Biggest sea urchins from every batch end up in this category, and they are over 10 cm in diameter. The hight can vary a bit, but approximately 7 too 9 cm. These are the most rare of the sea urchins and we have to dive deeper to find them.
All the different Lofotlys comes with a small, battery driven LED light and a bamboo tray. And of course you can change batteries (CR 2032) on the LED-lights.