Glass Baby Bottles with Natural Response Nipple Size M - Anti Colic

In this review of the Glass Baby Bottles with Natural Response Nipple Size M the bottom line is simple: these bottles are for parents who want a safer, breastfeeding-friendly bottle that reduces colic risk and is easy to clean. The reviewer found the borosilicate glass body and soft, food-grade silicone nipple deliver a natural feeding pace and clear hygiene advantages over plastic alternatives, making these bottles a strong choice for families transitioning between breast and bottle feeding or seeking a durable, heat-resistant option.

Key Features

• High-quality borosilicate glass: The glass body is pure and clear, resists heat, and avoids BPA and BPS concerns for safer feeding.
• Natural response nipple: The size M silicone nipple mimics breastfeeding so babies can feed at their own pace and switch between breast and bottle more easily.
• Anti-colic venting: Air holes at the bottom of the nipple balance pressure and separate milk from air to help reduce colic and excessive gas.
• Multiple sizes available: The product line covers 4oz, 6oz and 8oz bottles with different flow nipples to match 0+ to 3+ month stages.
• Wide neck for cleaning: The wide mouth and streamlined shape make the bottles straightforward to clean by hand, dishwasher top rack, bottle warmer or sterilizer.

Who It's For

These glass bottles are best for parents who prioritize chemical-free materials and a breastfeeding-like nipple to ease transitions; they work well for infants from newborn to several months when choosing the appropriate nipple flow. Caregivers who routinely sterilize bottles or use warmers will appreciate the heat resistance and dishwasher-safe convenience.

They may be less suitable for families needing ultra-light or unbreakable bottles for travel or toddlers who frequently drop bottles, since glass is heavier and breakable compared with plastic alternatives.

Pros & Cons

Pros

• Durable borosilicate glass provides a pure, heat-resistant feeding vessel that avoids BPA and BPS.
• Soft, food-grade silicone nipple offers a near-breastfeeding experience and supports paced feeding.
• Built-in venting reduces air ingestion and may help lower colic and gas symptoms.
• Wide neck and simple shape make sterilizing and cleaning straightforward, usable in multiple sterilization methods.

Cons

• Glass construction is heavier and can break if dropped, so extra care is needed around older infants or when traveling.

Specifications

Material	Borosilicate glass body, food-grade silicone nipple
Capacity	8oz / 240ml (pack of 4)
Nipple size	Size M (medium) slow flow for 3+ months
Flow options	Slow Flow SS (4oz), S (6oz), M (8oz) for different ages
Anti-colic feature	Air holes at nipple base to balance pressure and separate milk from air
Care	Top-rack dishwasher safe, bottle warmer, microwave sterilizer and boiling water safe

Our Verdict

These glass baby bottles are a sensible pick for caregivers who want a safer, breastfeeding-friendly bottle that eases feeding transitions and reduces air ingestion. The heat-resistant borosilicate glass and soft natural response nipple deliver practical hygiene plus feeding comfort, making the pack of 4 good value for at-home feeding; choose a different material if you need ultralight or unbreakable bottles for travel.

Frequently Asked Questions

Are these bottles dishwasher safe?
Yes, they are safe on the top rack of a dishwasher and can also be sterilized in warmers or boiling water.

Which nipple flow is included with the 8oz bottle?
The 8oz bottle comes with the size M nipple (medium) intended for 3+ months and a gentle, slow flow.

Do the nipples help prevent colic?
The silicone nipple has air holes at the base to balance pressure and separate milk from air, which helps reduce the amount of air the baby ingests and may lower colic and gas.