The Flip One Size 8-35 Lbs Disposable Inserts for Cloth Diapers are designed for use with the Flip One reusable cloth diaper. Made by the brand Flip, these disposable inserts are one size fits most for newborn babies and weigh between 8-35 lbs. They come in a pack of 18 and are not a custom bundle, offering convenience and reliability for diapering your little one.