2006-11-9 2006-3-31 Personal Fit Breastshields These breastshields, available in five sizes, are designed to accomodate different nipple and breast sizes. The PersonalFit sizes are: Small (21mm - same diameter as the old breastshield insert), Medium (24mm - same diameter as standard breastshield), Large (27mm), Extra Large (30mm), and XX Large (36mm). Most new Medela breast pumps now include one pair of the medium size (24mm) PersonalFit breastshields. 138266 text/html 1.0 EN Personal Fit Breastshields Breastshields Medela 2 Pc. breastshield: St.# 8107089 Medela 2 Pc. breastshield: St.# 8107089 text