Do greenies last for hours? He can chew happily for 3 hours in the evening, and we need something that will last this long.

Are Nylabones any good?

__________________

I OWN A CHOCOLATE ROAN COCKER SPANIEL
RIP David xx Run free at the bridge. Love you always xx 19th February 2011
RIP Jack and Mickey xx Run free at the bridge. Love you forever xx 20th June 2011