Medela softshells help solve some of the most common problems faced by breastfeeding women nipple soreness, flat or inverted nipples, and engorgement. Softshells are comfortable to wear while alleviating these conditions. Soft, flexible backs for superior comfort. Low profile design for a natural appearance under clothes. Made without BPA safe for mom and baby. All Medela breastmilk bottles and products that come in contact with breastmilk are and always have been made without BPA.