Lifefactory Glass Baby Bottle with Silicone Sleeve
- Capacity: 0.25 Pounds
- Bottle Type: Vented Bottle
- Bottle Nipple Type: Vented
- Dish Washer Safe: Yes
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A 4 ounce glass bottle with a silicone protective sleeve, aimed at parents who prioritize glass over plastic despite the extra weight and breakage risk.
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ASIN: B01M5GHAZOCategory: Baby Bottles
Overview
This Lifefactory bottle pairs a glass body with a protective silicone sleeve, sold as a 2 pack of 4 ounce bottles. Each unit weighs about 0.94 pounds and the listing states it is BPA free.
Glass bottles trade some weight for the ability to avoid plastic entirely, and the silicone sleeve here exists specifically to cushion the drop risk that comes with a glass body. At 4 ounces these are sized for early feeds rather than an older infant's full bottle.
- 4 ounce capacity
- Glass with silicone sleeve
- 0.94 pounds each
- Pack of 2
Who it's for
Fits parents who specifically want glass over plastic and are comfortable with the added weight and care glass requires. Not the choice for someone who wants the lightest possible bottle or plans to hand it to a baby unsupervised.
Pros and cons
- Glass body avoids plastic entirely
- Silicone sleeve cushions drops
- Heavier than plastic bottles at 0.94 pounds
- 4 ounce capacity is small for older infants
- Glass still carries breakage risk despite the sleeve
Performance notes
Glass does not pick up flavor or odor the way some plastics can after repeated washing, and the silicone sleeve is built to absorb impact if the bottle is dropped. At just under a pound each, these run noticeably heavier than a comparable plastic bottle, which matters once a baby starts holding the bottle on their own.
Specifications
| Brand | Lifefactory |
|---|---|
| Dimensions & fit | |
| Item Weight | 0.94 poundshigher than 86% of 181 baby bottles |
| Capacity & performance | |
| Capacity | 0.25 Poundslower than 76% of 102 baby bottles |
| Age Range Description | Months |
| Liquid Flow Speed | Slow |
| Construction & materials | |
| Color | Mint |
| Material Type Free | BPA Free |
| Included components | |
| Unit Count | 2 |
| Other details | |
| Bottle Type | Vented Bottle |
| Bottle Nipple Type | Vented |
| Dish Washer Safe | Yes |
| Is The Item Microwaveable | Yes |
| Number Of Items | 1 |
Closest rivals on specs
Dr. Brown's Natural Flow Options+ Wide-Neck Baby Bottles- Capacity 0.25 vs 0.31 pounds (-19%)
Pigeon Glass Wide Neck Nursing Bottle 5.4 oz- Item Weight 0.94 vs 0.82 pounds (+15%)
- Capacity 0.25 vs 0.34 pounds (-26%)
Frequently asked questions
What is the Lifefactory bottle made of?
Glass, with a silicone sleeve fitted over it for protection.
How many bottles come in the pack?
Two, each 4 ounces.
How much does each bottle weigh?
About 0.94 pounds.