

★ 4.5 · 797 parent ratings
Borosilicate glass gives each eight-ounce bottle thermal durability and smooth clarity for everyday feedings. We paired these wide-neck bottles with our medium-flow silicone nipples for infants three months and older, along with two flat storage caps to hold breast milk or formula in the fridge.
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| Shelf | Glass Baby Bottles |
|---|---|
| Material | Borosilicate glass |
| Capacity | 8 oz |
| Nipple flow | Medium flow (M, Level 2) |
| Marked for | 3 months and up |
| In the box | 2-pack |
| Fits | Our wide-neck nipples, all five levels |
We craft each bottle body from thermal-resistant borosilicate glass free of BPA, BPS, and phthalates. The nonporous surface resists odors, handles temperature shifts smoothly, and cleans thoroughly between uses.
Subtle raised points on the soft silicone nipple guide lip placement, encouraging babies to maintain a wide, natural latch. Integrated air vents allow steady liquid flow without collapsing the teat during continuous feeds.
Holding up to eight fluid ounces, these bottles suit growing appetites while keeping a balanced profile in hand. The wide neck allows easy pouring of pumped milk or formula powder with minimal spills.
Each bottle assembles with four simple components that come apart quickly for washing. You can sanitize the glass and silicone parts using electric steam sterilizers, boiling water, bottle warmers, or microwave units.