other closure to secure them on the baby. All-in-two diaper – An all-in-two- diaper (AI2) is a diaper with two parts. Such diapers consists of a waterproof diaper-cover with fasteners and an absorbent insert. The insert is a rectangle or hourglass pad of absorbent material, that may or may not have a moisture-wicking material as its top layer. The insert snaps or lays into the cover and may be removed when soiled or wet. The cover may be reused throughout the day by replacing the insert at each change. Hybrid diapers - A hybrid diaper is similar to an all-in-two diaper in that it is typically composed of a waterproof diaper cover and an absorbent insert. The reason for the "hybrid" name is that the same waterproof diaper-cover can be used with a cloth absorbent insert or with a disposable insert. Liners may also be used to protect the diaper or nappy from solids. These are typically disposable but can be reusable. References Diapers Babycare Children's clothing Infancy Infants' clothing Undergarments