These airless ATV tires are designed to not go flat. A honeycomb-like structure inside keeps the tire rigid without the need for an air-filled cavity found in normal tires. That way, a NPT can never lose pressure if damaged because it has none to begin with. And the web is surrounded by a rubber tread band which allows continuous operation, even if up to 30 percent of the web is damaged. No more flat tires? Sounds good to me.