The 750ml XXL Montana Blackline can is just A LOT of paint in one can.  There is not much else you can say other than the valve is awesome, the paint is awesome, and if you are ever in a situation where you need to cover an area with a lot of Black paint quickly without having to carry a bunch of cans around with you this needs to be your weapon of choice.  An ultra-flat black paint perfect for any surface in any weather.