Non-Toxic 35 Oz Glass Meal Prep Containers - Airtight, Plastic Free

In this review of the Non-Toxic 35 Oz Glass Meal Prep Containers, the bottom line is simple: these containers are for people who want truly plastic-free storage without sacrificing durability. The reviewer found the 35 oz size ideal for portioned lunches and family meal prep, and the fact that both containers and lids are made from 100% borosilicate glass stood out as the single biggest reason to buy. If avoiding toxins in contact with food is a priority, this set makes that intention practical for everyday use.

Key Features

• 100% Borosilicate Glass: Both the containers and lids are made from borosilicate glass, providing a plastic-free surface that does not leach chemicals into food.
• 35 oz Capacity: The 4.4 cup size is roomy enough for full meals or large portions of leftovers, making weekly meal prep and fridge organization easier.
• Airtight Seal: Airtight glass lids help lock in flavors and keep out contaminants so food stays fresher for longer when stored in the fridge.
• Leakproof Design: The tight seal performs well with soups and sauces, allowing for transport without obvious spills in most everyday use cases.
• Heat and Freeze Safe: These containers move from freezer to microwave and oven-safe serving without extra dishes, simplifying reheating and storage.
• Dishwasher Safe: The glass construction rinses clean and handles dishwasher cycles so cleanup is quick and low effort.

Who It's For

These glass meal prep containers are best for health-conscious cooks, busy families, and anyone who prefers plastic-free food contact surfaces. They suit people who batch-cook or portion lunches for the week and want a durable, reusable option that can go from freezer to microwave or oven.

Those who primarily need ultra-lightweight containers for backpacking or who require many different sizes for complex storage systems might look elsewhere; while versatile, these are best positioned as everyday kitchen storage for refrigerators, meal prep, and transport where weight is less critical.

Pros & Cons

Pros

• Truly plastic-free contact with food thanks to borosilicate glass lids and bases.
• Large 35 oz capacity is practical for full meals and family portions.
• Heat, freeze, and microwave safety streamlines storage-to-serve steps.
• Dishwasher safe for easy cleanup and low maintenance.

Cons

• Some customers report mixed experiences with seal performance, so extremely vigorous transport may require an extra precaution.
• Glass construction is heavier and more breakable than plastic, which could be a drawback for travel-heavy use.

Specifications

Brand	Ziruma
Capacity	35 oz (4.4 cup)
Material	100% borosilicate glass (containers and lids)
Set Size	4 pack
Safe For	Microwave, freezer, oven, dishwasher
Seal	Airtight, leakproof design

Our Verdict

For anyone prioritizing food safety and a fully plastic-free kitchen, these 35 oz glass meal prep containers are a strong value. They combine practical capacity, versatile heat-and-freeze performance, and easy care; just be mindful of the heavier glass weight and test seals for heavy transport. Overall, they are a smart choice for meal preppers, families, and cooks who want clean storage that protects food and health.

Frequently Asked Questions

Are the lids really glass?
Yes, both lids and bases are made from borosilicate glass for total plastic-free food contact.

Can I use these in the microwave and freezer?
Yes, the containers are described as microwave, freezer and oven safe for convenient reheating and storing.

Do they leak with liquids?
The design is intended to be leakproof and works well for soups and sauces in most uses, though a few customers reported mixed seal performance under very rough transport.