are these compatible with calma nipple?

According to the description they are, but I did not try a calma nipple myself.

What parts do I need to use with this bottles? A collar and a nipple?

Yes, if you wanted to use these bottles for more than just collection and storage you will need the collar and nipple. We have used the medela collar/nipple and also the regular Dr. Browns collar/nipples fit.

how many hours does it take to thaw frozen breastmilk in the refrigerator using these medela bottles?

It typically takes us about 8 hours to defrostin a refrigerator but you can also run these under cold water. Never defrost under hot water because it creates improper heat distribution. You can spoil the milk in direct contact while the core is still frozen.

does it come with the box? any sterilizer bags as the bonus?

Yes, the six bottles are in a box. And in the box there is an extra plastic bag, the bottles can be put into it, then you can sterilize them in the microwave oven. It seems can be used for twenty times.

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Medela Breast Milk Collection and Storage Bottles with Solid Lids - 6pk/5oz-150mL Breastmilk Container, Compatible Breast Pumps and Made Without BPA

Product ID: 735488668

Details

Bottle Type
5 oz Wide
Brand
Medela
Capacity
147.87
Color
Yellow Cap
Material
Plastic

🍼5oz/150mL capacity

🧼Dishwasher & steam bag safe

♻️Reusable & BPA-free

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₨15775

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍼 Pump, store, and go — the ultimate milk storage solution for the savvy parent!

EFFORTLESS HYGIENE - Dishwasher safe and sanitizable with Quick Clean Micro-Steam bags
TRAVEL READY DESIGN - Compact, wide-mouth bottles perfect for busy, modern parents
SAFE SOUND STORAGE - BPA-free, leak-proof lids keep milk fresh and secure on-the-go
SEAMLESS PUMP TO STORAGE - Compatible with all Medela pumps for zero-fuss milk expression
CRYSTAL CLEAR MEASUREMENT - Vibrant ounce & milliliter markers for precise volume tracking

Medela Breast Milk Collection and Storage Bottles (6-pack, 5oz/150mL) offer seamless compatibility with Medela pumps, BPA-free safety, and easy cleaning with dishwasher and steam bag sanitizing. Designed for leak-proof, precise milk storage, these reusable bottles support busy parents with a hygienic, travel-friendly solution.

Specifications

ASIN	B00DB5F114
Additional Features	Leak Proof, Wide Mouth
Age Range Description	Infant
Best Sellers Rank	#569 in Baby ( See Top 100 in Baby ) #13 in Baby Bottles
Bottle Type	5 oz, Wide Mouth, Reusable
Brand Name	Medela
Capacity	147.87 Milliliters
Color	Yellow Cap
Customer Reviews	4.8 4.8 out of 5 stars (15,164)
Finish Types	Clear
Global Trade Identification Number	00020451870953
Included Components	(6) 5 oz/150 mL bottles, (6) solid lids, (1) Quick Clean Micro-Steam Bag
Item Dimensions W x H	1"W x 1"H
Item Type Name	Breastmilk Storage
Item Weight	222 Grams
Manufacturer	Medela
Manufacturer Part Number	87095
Material Type	Plastic
Material Type Free	Bisphenol A (BPA) Free
Model Name	Breast Milk Storage Set
Model Number	87095
Number of Items	6
Number of Packs	1
Product Care Instructions	Dishwasher Safe, Microwave Safe
Recommended Uses For Product	Travel
Reusability	Reusable
Shape	Round
Style Name	Storage Bottles
UPC	020451870953
Unit Count	6.0 Count

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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