All Medela® Breast Pump Parts that come in contact with breastmilk are BPA and DEHP free. Items that are purchased in pairs or sold individually by Medela, will be shipped in Medela retail packaging. Items that are purchased individually are purchased from Medela clean and in bulk quantities. They will be shipped to you clean and in a clean, sealed Ziploc bag. Please feel free to contact us if you have any questions regarding this.