Thanks for the replies..just 1 more question

How do you wash your pop-ins?
On the product information it says you can't tumble dry the outer shell..i have a front loading washing machine so this might be a problem?
it means you can't put the shell in a clothes dryer. Front loader washing macine is all good. If I need to dry my nappies in a hurry, I put the absorbers in the dryer, and the shells on the clothes horse and they dry in the same time.