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Yes, absolutely. All KOMUEE containers and lids are 100% BPA-free. Our lids are made from certified food-grade plastic, and the silicone seals are also completely BPA-free. You can store, heat, and serve your food with complete peace of mind.

Yes — the borosilicate glass containers are fully microwave safe. The key is to always remove the plastic lid before microwaving. The glass distributes heat evenly, so your food heats thoroughly without hot spots. For lids, we recommend top-rack dishwasher cleaning or hand washing.

Yes — KOMUEE glass containers are oven safe up to 752°F (400°C). You can go straight from the freezer to the oven without any issue, thanks to borosilicate glass's exceptional thermal resistance. Always remove the plastic lid before placing in the oven. The baking dish set is specifically designed for oven use with wide, ergonomic handles.

The silicone ring is designed to be fully removable for easy and thorough cleaning. Simply pop it out with your finger, wash with warm soapy water or place it on the top rack of your dishwasher, and pop it back in. This design ensures there are no hidden areas for food residue to accumulate. The lids themselves are also top-rack dishwasher safe.

Yes. KOMUEE containers feature a flat-lid stackable design specifically for this purpose. With lids on, they stack perfectly to maximize your refrigerator space. When stacking glass containers without lids, we recommend placing a piece of kitchen paper or parchment between each container to protect the glass surface from friction scratches.

Borosilicate glass contains boron trioxide, which gives it superior thermal shock resistance — meaning it can handle extreme temperature changes without cracking. It's the same material used in laboratory glassware and professional cookware. Compared to regular soda-lime glass, borosilicate is significantly stronger, more durable, and resistant to thermal stress. It's also non-porous, so it won't absorb food odors, flavors, or bacteria over time.

KOMUEE products are available online. Simply visit our Products page, find the set that's right for you, and click the "Check Price" button to view the current listing and purchase options. All products ship within the United States.

KOMUEE borosilicate glass containers are built to last for years with proper care. The glass itself is virtually indestructible under normal use — it won't warp, stain, or degrade over time. The lids and silicone seals may need occasional replacement after years of heavy use, but the glass containers themselves can last a lifetime. Thousands of our customers have been using the same sets for multiple years without any issues.