Keep your breast milk parts safe and sanitized with the Ameda CleanEase Microwaveable Steam Sanitizing Bags. In under 5 minutes, the CleanEase Steam Bag sanitizes breast pump kit parts such as flanges, flange adapters, diaphragms, and valves. CleanEase can also be used to sanitize nipple shields, breast shells, collection bottles, and lids. The steam bag's large steam vent allows for fast cooling and draining plus its Press N' Seal leak-proof zipper will help keep your counter mess-free. Made with Food Grade PET + RCPP, the superior Polypropylene CleanEase Steam Bag features three layers to keep the bag's form stable for up to 20 uses.