20mm Medela breast pump flask. I am selling this because the size did not fit. It has only been sterilized and not actually used. There is no outer box. Medela Contact Nipple Shield L size, protects nipples during breastfeeding, supports the baby's latch, and gently supports breastfeeding. - Brand: medela - Size: 20mm - Made in: Switzerland Please understand that this item has been stored at home and has been inspected by a non-professional.