Many fasten with fabric fasteners or poppers and can be washed along with your baby’s clothes, or if kept separate washed at 60c (on average twice a week).
Mae llawer o gewynnau modern yn hawdd eu cau neu eu bachu a gallwch chi eu golchi ynghyd â dillad eich baban neu ar wahân ar 60c (ddwywaith yr wythnos, fel arfer).