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Question: What's the difference between an insert/doubler/booster/liner?

Answer:
An insert is generally used to describe an absorbent layer of material placed inside a pocket diaper. The bumGenius One Size insert that comes with your bumGenius One Size dipaer is an example of an insert. A prefold can also be used as an insert when stuffed inside a pocket diaper.

A liner is placed between the diaper and baby's skin to keep moisture away from the skin. It also helps keep solid waste from sticking to the diaper. Liners can be disposable (such as the flushable/biodegradable liners) or made of materials like microfleece. A baby washcloth placed between baby and diaper can be used as a liner when you choose to use a rash cream so as not to ruin the diaper. You do not necessarily need a liner.

A doubler or booster is sometimes used interchangeably with the term insert. Both inserts and doublers or boosters are used to boost the absorbency level of a diaper. A doubler traditionally goes on top of the diaper against the child's skin whereas an insert is inside a pocket rather than directly in touch with baby's skin.  Many doublers can also be used as pocket diaper inserts.

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