Medela Microwave Steam Sterilizer Bags provide a quick, safe, and effective way to disinfect breast pump parts, bottles, nipples, and accessories. Each bag uses the natural power of steam to eliminate up to 99.9% of common bacteria and germs in just minutes, helping keep baby-feeding items hygienic and ready to use. Compact and reusable up to 20 times, these bags are ideal for busy parents at home or on the go. Made from BPA-free, heat-resistant material, Medela sterilizer bags combine safety, convenience, and efficiency—making sterilization simple, fast, and eco-friendly.