Dr. Brown's Microwave Steam Sterilizer Bags 5 Count
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A practical, low-cost way to sterilize bottles and pump parts on the road using nothing more than a microwave and a little water.
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ASIN: B0035LQNNECategory: Baby Bottle Sterilizers
Overview
This is a 5-pack of Dr. Brown's microwave steam sterilizer bags, a travel-sized accessory for sterilizing baby bottles, nipples, pacifiers and breast pump parts without needing a dedicated sterilizer machine.
Each BPA-free bag works in a household microwave, using steam generated from a small amount of water to sterilize contents in as little as 90 seconds. It is built to be reused rather than thrown away after one cycle, and the flat, self-standing base lets a bag stand upright on a counter while loading or unloading it, which matters for something meant to travel.
- 5 microwave steam sterilizer bags per pack
- Sterilizes bottles, nipples, pacifiers and pump parts
- Ready in as little as 90 seconds per cycle
- BPA-free and reusable, with a self-standing base
Who it's for
This suits parents who need a portable, no-electricity way to sterilize bottles and pump parts while traveling, staying with family, or anywhere a full-size sterilizer is not practical. It is an accessory addition to a bottle-feeding routine rather than a standalone item, so it is not a fit for someone wanting a permanent countertop sterilizer for daily home use.
Pros and cons
- Works in any microwave, no dedicated machine needed
- Reusable rather than single-use
- Self-standing base makes loading and unloading easier
- Compact enough to pack for travel
- Capacity is limited to one small load per cycle
- Microwave time varies by household wattage
Performance notes
Water added to the bag turns to steam in the microwave, and the bag traps that steam around the bottles, nipples, pacifiers or pump parts placed inside to kill bacteria in a short cycle. Microwave time will vary by wattage and load, but the format is built around quick, single-load cycles rather than sterilizing a full day's worth of bottles at once. The self-standing base keeps the bag open and upright while packing or emptying it.
Specifications
| Brand | Dr. Brown's |
|---|
Frequently asked questions
Can Dr. Brown's sterilizer bags be used for brands other than Dr. Brown's bottles?
The bags are described as sterilizing baby bottles, nipples, pacifiers, breast pump parts and teethers generally, not restricted to one bottle brand.
Do these bags work in any microwave?
Yes, they are designed to generate steam from a small amount of water in a standard household microwave, with a cycle as short as 90 seconds.
How many times can each bag be reused?
The bags are reusable rather than disposable after one use, though the exact number of reuses per bag varies between what is stated on the product page.