| Prefolds | AIO/AI2 | Pockets | Fitteds |
| Requires a wrap or a cover | Does not requires a wrap or a cover - this feature is built in. | Does not requires a wrap or a cover - this feature is built in. | Requires a wrap or a cover |
| May require a fastener such as pins or a snappi | Usually fastens with snaps or hook and loop (velcro) | Usually fastens with snaps or hook and loop (velcro) | Usually fastens with snaps or hook and loop (velcro), sometimes a snappi or pins may be used. |
| Usually made of cotton, gauze, Birdseye flannel, hemp, or velour. | Outer layer is waterproof...usually made with PUL, Procare, fleece, or wool. | Outer layer is waterproof...usually made with PUL, Procare, fleece, or wool. | Outer and inner layers are not waterproof and may consist of many different fabrics types. |
| A doubler will increase absorbency. A separate stuffer or doubler lays inside an AI2. | Requires an absorbent stuffer material to be placed in the pocket before use. | A doubler will increase absorbency. |
| Usually is a flat rectangular sheet | Usually has elastic and legs and back area. | Usually has elastic and legs and back area. | Usually has elastic and legs and back area. |