Bummis Super Snap Diaper Cover Same excellent fabric as the Bummis Super Whisper Wrap but now available with snaps instead of Aplix ties. Well-placed and durable plastic snaps ensure a comfortable and adjustable fit. This Bummis fabric cover is only available in white. It can be washed and dried at normal temperatures in the washer and dryer. Please avoid fabric softeners, chlorine bleach, or other bleach.