Matyz Glass Breastmilk Storage Containers 6 Pack - Leakproof

In this review the Matyz Glass Breastmilk Storage Containers are evaluated for parents who want a safer, single-bottle workflow from pump to freezer to feed. The biggest reason to buy is the use of food grade borosilicate glass, which resists thermal shock and chemical leaching so expressed milk stays pure. These six 6 oz bottles come with screw-on lids, clear sealing disks and a bonus convertor for narrow-neck pumps, enabling fewer transfers and a cleaner feeding routine.

Key Features

• Borosilicate glass: Thermal shock resistance means bottles can be boiled, frozen or warmed without common glass stresses, preserving milk safely.
• 3-in-1 wide neck design: The clear sealing disk can be swapped for a nipple so moms can pump, store and feed from the same bottle to reduce transfers.
• Pump compatibility: Works with most wide neck pumps such as Spectra and Philips and includes a bottle convertor for narrow neck pumps like Medela.
• Leakproof sealing: Screw-on lids and sealing disks are designed to prevent leaks during storage, travel and freezer use.
• Easy to clean: Smooth glass resists scratches and odors so bottles are easier to sanitize and keep free of residue than many plastics.

Who It's For

These bottles are best for breastfeeding parents who prioritize purity and durability in milk storage and want to minimize milk transfers between containers. The 6 oz size is practical for typical feed volumes and the wide neck is ideal for cleaning and for use with wide-neck pumps.

Parents who require only narrow-neck pump compatibility should note the included convertor is a bonus but some setups may need additional adapters; those who prefer lightweight plastic for outings may find glass heavier for certain trips.

Pros & Cons

Pros

• High-quality food grade borosilicate glass preserves milk without plastic taste or harmful chemicals.
• 3-in-1 capability reduces handling by allowing pumping, storing and feeding from the same bottle.
• Clear measurement marks and a wide neck make filling and cleaning straightforward.
• Dishwasher, freezer and microwave safe for flexible daily use and sanitizing.

Cons

• Glass is heavier than plastic and, while durable, a few users report cracking at the bottle bottom under stress.
• Some pump setups may still require additional adapters despite the included convertor.

Specifications

Brand	Matyz
Material	100% food grade borosilicate glass
Capacity	6 oz per bottle
Pack size	6 bottles
Compatibility	Works with wide neck pumps (Spectra, Philips); convertor included for narrow neck pumps such as Medela
Safety	CPC certified food grade, BPA and phthalate free
Care	Boiling sterilize, freezer, microwave and dishwasher safe

Our Verdict

The Matyz 6-pack is a sensible choice for breastfeeding parents who want to reduce milk transfers and avoid plastic contact. The borosilicate glass construction and wide neck design deliver practical benefits for cleaning, freezing and feeding, making these bottles good value for families prioritizing milk purity and long-term use.

Frequently Asked Questions

Can these bottles go in the freezer?
Yes. The borosilicate glass is freezer safe and designed to tolerate temperature change when used as directed.

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

Are all parts BPA free?
Yes. The bottles and included parts are free of BPA, phthalates and lead and meet CPC food grade requirements.