Foam &Nonwoven base for adult&pediatric,match with various ECG devices,widely ... ,ICU,ECG monitoring,etc. 1).Features:Dia.30mm-55mm,foam and nonwoven backing,round/oval/square shape for adults and paediatric. 2 ... impedance solid medical conductive gel,white or original color PE foam tape or cloth tape with medical hypoallergenic adhesive, white PE ...