Did you have both of the inserts in it? And how much powder did you use when you washed it? Really as I think they're microfibre they don't need prewashing more than once but if you've used a bit too much washing powder they could be clogged with that. Or it could be either that you haven't quite got the fit right on him yet, or that those particular nappies don't suit him but might suit your next so don't give up on them entirely! The ebay ones aren't the greatest nappies around but they do work for lots of people. How long did he wear it for? I think with those, 2-3 hours is about the expected time they'd last for most babies.