Pump directly into breastmilk storage bag, no need to transfer from bottles to bag.
Works well with standard neck breastpumps (Dula Mina, Medela, Dr. Brown's, Real Bubee, RH228).
Made with High Quality Food Grade Polypropylene (PP) material - BPA & Phthalate free.
Assembled with Stainless Steel spring, DO NOT Clean or sterilize this adapter in microwave oven or steambag. To safely sanitize the adapter, use boling water for 2-3 minutes.