Update: from 5 to 3 star, really only limited puncture protection, flat after 200 km, 2 mm small foreign body goes smoothly
Update: 3 to 1 star, thought after less than 500 km mileage, hose bursts and crack the side wall of the shell on straight line without demonstrable Fremdeinwirken, after all, a knobby tires, so for outdoor and off-road use.