Over 80 million Snappis in the last 20 years. How? Moms have gotten tired of diaper pins. A diaper pin is ugly, sharp, and unsightly. Give your baby some style! Snappi fasteners are made of an elastic material and work like a belt on your babys cloth diapers. Normally, Snappis work better on loose weave diapers, such as cotton. Flannel, and other t..