can you warm these bottles in the microwave?

Warming up milk in the microwave is not just dangerous because of heat pockets. It is also the case that it changes the structure of the milk, so it is not as good or natural for your baby anymore. Don't consider microwaving any milk!

Will these bottles work with a Spectra S2 pump?

I have the 4oz bottles and the Spectra pump S1. You will need an adapter (https://smile.amazon.com/gp/product/B01A4LUZA4) to attach to the Spectra since these are narrow mouth bottles. I've found the combination works well with the adapter but be warned that the 4oz bottles are heavy so, depending on your use case, the 9oz ones could easily be too heavy to use with a pump.

Do you guys use these for breastmilk storage as well? wondering if i need to get both. if so, i'd like to get reusable storage bottles/bags.

I don't use them to store breastmilk because it would be to costly. But they can be frozen so if you are freezing the milk it will work. We v only have two bottles so I use the medela storage bottles when pumping and storing milk. I wish life factory sold glass bottles without sleeves for storage.

What's the best bottle brush to use for these bottles that have a very small opening?

I use the Norwex bottle brush. It's rubber so it is easy to keep clean and maintains its shape. Have used mine for 10 months and it's still fine.

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Baby Bottles

Product ID: 39487687

Details

Bottle Nipple Type
Vented
Brand
Lifefactory
Color
Banana
Item Weight
0.2 Kilograms
Material Type Free
BPA Free

🧪Thermal shock-resistant borosilicate glass

🧼Dishwasher & sterilization safe

🛡️Durable silicone sleeve for breakage protection

Rp733615

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍌 Sip smart, parent smarter — the bottle that grows with your baby!

TAILORED FOR NEWBORNS - Stage 1 slow-flow nipple designed for 0-3 months, supporting gentle feeding.
ECO CONSCIOUS TOXIN FREE - BPA-free materials crafted in USA and Europe for peace of mind.
GRIP FRIENDLY SILICONE SLEEVE - Protects the bottle and makes feeding easier for tiny hands learning to hold.
HYGIENIC HASSLE FREE CLEANING - Dishwasher and sterilizer safe parts save time for busy parents.
SAFE FROM FREEZER TO BOILING WATER - Thermal shock-resistant glass ensures no cracks or leaks during temperature changes.

The Lifefactory Glass Baby Bottle (4 oz) combines premium thermal shock-resistant borosilicate glass with a protective silicone sleeve, designed for newborns (0-3 months) with a slow-flow Stage 1 nipple. Dishwasher and sterilizer safe, BPA-free, and crafted in USA and Europe, it offers durability, safety, and ease of use for modern parents seeking sustainable, high-quality feeding solutions.

Specifications

ASIN	B01LN3J2EW
Age Range Description	Baby
Best Sellers Rank	#38,149 in Baby ( See Top 100 in Baby ) #638 in Baby Bottles
Bottle Nipple Type	Vented
Bottle Type	Standard Bottle
Brand	Lifefactory
Capacity	4 ounces
Color	Banana
Customer Reviews	4.6 4.6 out of 5 stars (174)
Dish Washer Safe	Yes
Global Trade Identification Number	00814943021943
Included Components	Polypropylene cap, ring and stopper and silicone nipple( 4 ounce)
Is the item microwaveable?	Yes
Item Type Name	Glass Baby Bottle
Item Weight	0.2 Kilograms
Liquid Flow Speed	slow
Manufacturer	Lifefactory
Material Type Free	BPA Free
Number of Items	1
UPC	814943021943
Unit Count	4.0 Ounce

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Rp733615

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Indonesia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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