Sterilize baby bottles, accessories, and pump parts in as little as 90 seconds with Dr. Brown’s Microwave Steam Sterilizer Bags. With only a microwave and a little bit of water, you can quickly sterilize multiple bottles and pump parts, eliminating 99% of bacteria, mold, and the yeast that causes thrush. The flat base holds the bag in an upright position for easy handling, and its compact size makes it easy to store at home and convenient while traveling or on the go. The pack includes five (5) BPA-Free reusable sterilizer bags, that can each be used up to 30 times before discarding.