Glossary of Terms


All in One (AIO) – An All-in One Diaper is the most modern Cloth diaper. It has a waterproof outer shell to prevent leaks and a built in absorbent inner core. Available in different sizes and with various feature depending on the brand.

All in Two (AI2) – An All in Two Diapering refers to diapering with a cover and insert. The insert is removed when soiled and the cover can be reused with a clean insert. Different brands vary, some brands feature a cover that has inserts that can be snapped in. Other options include simply laying an insert in the cover.

Bunny Ears – A simple method of securing a diaper around your babies legs preventing leaks.

Diaper Covers – A waterproof wrap, or pull-on style cover that keeps wetness in prefold and fitted diapers from transferring out! Wrap style can close with velcro or snaps, while pull-on covers are elasticized. Covers are used more than once before washing – just wipe clean!

Doublers – Not as thick or absorbent as the insert, this is a “booster” and can be used to add extra absorbency with 2-3 extra layers of material.

EBF – Exclusively breastfed. Poop from EBF newborns are water soluble and can be washed away in your laundry.

Fitted Diapers – A diaper with elastics and fasteners to achieve a shaped fit to the babies body. No folding required! Often closes with snaps or Velcro, or a snappi. Available in cotton, bamboo, hemp, other natural fibres. Useful as a nighttime solution or for those wanting to go coverless to treat diaper rash.

Flats – A 100% natural fibre rectangle, usually made of cotton, gauze, flannel, hemp, or bamboo. A flat diaper needs to be folded to achieve the best absorbency, while a prefold has already been folded and stitched in place. Some additional folding required. Requires a cover. May require a  fastener.

Hook and Loop – Better known by it’s brand name Velcro. It’s a fastener system. The rough side made up of the hook, the soft side made up of the loop.

Hybrid Diapers – All-in-two diaper with a removable insert can be either cotton, or a disposable “pad” type of insert. The cover can be reused, wiped, or air-dried between uses. A flexible system for travel or long outings.

Inserts – The absorbent “core” of a pocket or all-in-two diaper. It can be removed from the diaper, and additional inserts added for extra absorbency. Available in microfiber, Bamboo, Hemp.

Liners – Last layer against baby’s skin. Does not add absorbency. Flushable or reusable, used to protect diapers from rash creams, or as a stay-dry layer.

One Size Diapers – The rise of this type of diaper can be adjusted by either snaps or elastic to fit babies from newborn to potty-learning, hence the “one-size”. These can be pockets, All-in-twos, fitteds, or hybrids! Usually fit 7- 35 lbs. Can be very bulky on babies under 10 lbs.

Pocket Diapers – A waterproof outer and a microfleece or suedecloth inner lining form a pocket. Absorbent inserts go into the pocket and draw moisture away from baby’s bottom. Add inserts to increase absorbency. Usually elasticized and fasten with snaps or Velcro. Can be sized or one-size. Insert and diaper are separated and washed after one use. Most come with inserts. Additional inserts can be purchased separately. Pockets can be used like covers!

PUL – Polyurethane Laminate. Refers to the inner lining of most diaper covers.

Prefold – A 100% natural fibre rectangle, usually made of cotton, gauze, flannel, hemp, or bamboo. A flat diaper needs to be folded to achieve the best absorbency, while a prefold has already been folded and stitched in place. Some additional folding required. Requires a cover. May require a  fastener.

Shells See Diaper Covers

Snappi/Boingo – An easy to use fastener that offers a safe way to fasten a cloth diaper, replacing the diaper pin. It comes in a variety of colors and is made from a stretchable non-toxic material, which is T-shaped with grips on each end. These grips hook into the diaper fabric to ensure a snug-fitting diaper with enough natural movement for the baby.

Stripping – A term used to describe the removal of residues in your diapers. see Troubleshooting

Swim Diapers – Swim Diapers are a reusable option of swimming. There are no absorbency to these diapers, they usually feature mesh interiors and stretchy elastics to contain solids.

WrapSee Diaper Covers.