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They also survive much more and much longer than they used to, and even compared to cloth they can store a substantial amount of wee without having the kid soaking in wet.

Of course, they have that blue line that appears at 0.01% wetness to encourage you to change it earlier, but ah well.

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After nappy number 200, which you'll reach by the first month probably, you'll become very good at gauging nappy fullness, and the nature of the filling by touch and smell alone. At that point the blue stripe is basically meaningless. I can tell if my baby needs a change just by picking her up.

Yeah the only real thing the stripe does is encourage people to change early (and often).

If the diaper is darn close to a lethal weapon weight, you can wait.

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