Description Reviews Features and Benefits Soft, flexible silicone for maximum comfort For treating sore nipples (large opening) or flat or inverted nipples (small opening) Vented fronts provide air flow Highly absorbent, washable foam inserts Sterile - 80220S: For immediate use in hospital What?s Included 2 shells 2 backs 4 foam inserts Instruction Manual Specifications Unit Weight: 3 oz Unit Size/Packaging: 8 x 4 x 1 1/2 Warranty: For hygienic reasons they cannot be returned to store once opened