Thick borosilicate glass. Thick and stable, not easy to scratch, easy to clean
The soft silicone air valve makes opening the lid easy and worry-free, breathable and fresh. The material of the air valve design is upgraded, which is more aesthetically pleasing.
Silicone sealing ring, baby pacifier grade silicone sealing ring, safe to use
High borosilicate glass heat-resistant 400°C~cold-resistant -20° microwave oven heating without pressure, safe and secure
3 sizes for classified storage, a variety of capacity sizes, can store different foods separately
3 Piece Microwaveable Glass Lunch Boxes Glass Bowls Microwave Heating High Borosilicate 1040ml, 680ml, 410ml with Storage Bag Borosilicate Glass blue