NUK Simply Natural Glass Baby Bottles
- Bottle
- 4 ounces
- 3
- 1.25 pounds
- Better rated than 69%
- More reviewed than 74%
A 3 pack of 4 ounce NUK glass bottles, a reasonable pick for parents set on glass and smaller portion sizes.
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How it ranks among the 276 bottles we track
4.7★ across 2,497 Amazon ratings, Bayesian-smoothed toward the category average.
2,497 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 276 bottles we track - how the scorecard works · full bottles data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A 3 pack of NUK Simply Natural glass baby bottles at 4 ounces each, weighing 1.25 pounds total. They're listed for the general baby age range rather than a specific newborn cutoff.
Glass bottles are heavier and more breakable than plastic but avoid the scratching and cloudiness plastic bottles pick up after repeated washing and sterilizing, which is the usual reason parents choose them. At 4 ounces each, these are sized for smaller feedings, closer to what a younger baby takes than what an older infant on bigger meals would need. Buying as a 3 pack covers a full rotation between washes without running out.
- 4 ounce capacity
- 3 pack
- Glass construction
- NUK Simply Natural line
Who it's for
Parents who prefer glass over plastic bottles and are feeding in smaller, 4 ounce portions. Less suited to parents needing larger capacity bottles for an older baby, or anyone wanting to avoid the extra weight and breakage risk of glass.
Strengths and trade-offs
Drawn from this product's published specifications.
- Glass resists the scratching and clouding plastic develops over time
- 3 pack keeps enough clean bottles on hand between washes
- NUK is an established feeding brand
- Glass is heavier and can break if dropped
- 4 ounce size may be too small once a baby is on larger feedings
Performance notes
Glass holds up to repeated boiling and dishwasher cycles without the surface degradation plastic bottles show over time, which is the main practical tradeoff against the extra weight and breakage risk. Three bottles at 4 ounces each gives enough on hand to wash in a batch rather than after every feeding.
Specifications
| Brand | NUK |
|---|---|
| Capacity | 4 ounces |
| Pack Count | 3 |
| Item Weight | 1.25 pounds |
| Age Range | Baby |
Other NUK bottles
How it compares
This product against the closest alternatives we track in bottles.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| NUK Simply Natural Glass Baby BottlesThis product | 4.7 / 5 | 2,497 | 4.5 / 5 |
| Lansinoh 60044677203700 BottleLansinoh | 4.8 / 5 | 52,400 | 4.7 / 5 |
| Dr. Brown's Natural Flow Anti-Colic Options+ Narrow Baby BottleDr | 4.8 / 5 | 52,000 | 4.7 / 5 |
| Philips SCY903/04 BottlePhilips | 4.8 / 5 | 25,000 | 4.7 / 5 |
| Medela 87095 BottleMedela | 4.8 / 5 | 15,100 | 4.7 / 5 |
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Questions about the NUK bottles
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How many bottles come in this NUK pack?
3.
What size are the NUK Simply Natural glass bottles?
4 ounces each.
Are these bottles glass or plastic?
Glass.