Diaper assemblies, along with related articles and methods, are provided. The diaper assembly includes a diaper comprising an inner surface and a blocking member coupled to a portion of the inner surface. The blocking member has a resilient pad coextends along a portion of the inner surface and further includes an attachment layer bonded to the resilient pad and may be repositionably attached at other locations along the inner surface. Advantageously, the blocking member can provide a releasable and repositionable seal that conveniently enhances the functionality of commercially available diapers.