Matyz Glass Breastmilk Storage Bottles 6 Pack - Safe Freezing

In this review the Matyz Glass Breastmilk Storage Bottles are evaluated for parents who want a single, safer container for pumping, storing and feeding breastmilk. The biggest reason to buy is the use of food grade borosilicate glass, which resists thermal shock and chemical leaching so milk can be boiled, frozen or warmed without plastic taste. For anyone who prefers glass over plastic and uses wide neck pumps, these bottles promise straightforward transitions from pump to fridge to bottle.

Key Features

• Borosilicate glass: The material is thermal shock resistant and can be sterilized by boiling or placed in the freezer or oven without degrading.
• 3-in-1 wide neck design: The clear sealing disk can be swapped for a nipple so the same bottle can be used for pumping, storing and feeding to reduce transfers.
• Pump compatibility: Works with most wide neck pumps such as Spectra and Philips and includes a bonus bottle convertor for narrow neck pumps.
• Leakproof closures: Screw-on lids and sealing discs are designed to prevent leaks, making the bottles suitable for freezing and travel.
• Chemical safety: CPC certified food grade and free of BPA, phthalates, latex and heavy metals to avoid plastic taste and contamination.
• Easy to clean: Wide neck profile and glass construction reduce scratches and residue retention, and the parts are dishwasher and sanitizer safe.

Who It's For

The Matyz glass bottles are best for breastfeeding parents who prioritize purity and durability in milk storage, and who want one bottle to handle pumping, refrigeration/freezing and feeding with minimal transfers. Parents using wide neck pumps such as Spectra and Philips will find the fit and workflow particularly convenient.

These bottles are less suitable for caregivers who need ultra-light, unbreakable bottles for active outdoor use or for households where glass fragility is a major concern; some users report rare cracking, so a cautious approach is advised when bottles are handled around hard surfaces.

Pros & Cons

Pros

• High quality borosilicate glass that tolerates boiling, freezing and warm-up without chemical leaching.
• Versatile 3-in-1 use for pumping, storing and feeding to reduce milk transfers and waste.
• Good pump compatibility and included convertor for narrow neck pumps adds value.
• Easy to clean and dishwasher safe, with measurement markings that resist washing off.

Cons

• Glass can crack if dropped or subjected to impact, which some customers have experienced at the bottle bottom.
• Value perception varies among users depending on how many bottles and replacements are needed over time.

Specifications

Capacity	6 oz per bottle
Pack size	6 pack (3 green lids, 3 blue lids)
Material	100% food grade borosilicate glass; convertor made of food grade PP
Compatibility	Works with most wide neck pumps like Spectra and Philips; convertor for narrow neck pumps included
Chemical safety	CPC certified food grade, BPA/phthalate/lead free, no latex
Care	Boiling sterilize, dishwasher, freezer and microwave safe; all parts sanitizable

Our Verdict

The Matyz Glass Breastmilk Storage Bottles are a solid choice for parents who want a safer, reusable system to pump, store and feed breastmilk with minimal transfers. Their borosilicate glass construction, pump compatibility and leakproof lids make them good value for households that handle milk freezing and frequent sterilization, provided users accept the usual care required for glass bottles.

Frequently Asked Questions

Are these bottles safe for freezing?
Yes. The borosilicate glass is thermal shock resistant and the bottles are designed for freezer storage when lids are properly secured.

Will they fit my pump?
The bottles work with most wide neck pumps such as Spectra and Philips, and a bottle convertor is included for narrow neck pumps.

Can I sterilize them?
Yes. The bottles can be boiled for sterilization and are dishwasher and microwave safe; all parts can be sanitized.