More and more people will choose glass lunch boxes. Superior airtightness and freshness: have all the characteristics of ordinary fresh-keeping boxes, including freshness and airtightness; health and safety: the fresh-keeping box body is made of high borosilicate heat-resistant glass The cover is made of high-grade PP and imported silica gel materials. It does not contain harmful substances such as mercury, lead, cadmium (such as heavy metals), PVC, etc. It is a green environmental protection product that is harmless to humans.
The high borosilicate heat-resistant glass material has a high safety factor, and it will never burst like tempered glass. It has a small thermal expansion coefficient, a large range of resistance to rapid temperature changes (≥120°C), and heat resistance up to 800°C. Strong heat and cold resistance: long-term resistance to high or low temperature (-20℃—120℃) and safe use in the dishwasher. No matter it is heated or frozen for a long time, it will never deform.