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370ml custom heat-resistant borosilicate glass double-layer glass coffee cup
· Heat resistance: JIATENG vacuum cup uses mouth blowing, laboratory quality borosilicate glass structure, durable heat resistant glass
·Borosilicate glass 3.3: It is a special glass material with low expansion rate, high temperature resistance, high strength, high hardness, high light transmittance and high chemical stability. It is widely used in solar energy and chemical industry because of its excellent performance. , pharmaceutical packaging, electric light source, craft jewelry and other industries.
· 2-layer design: Insulated coffee cup with a stylish 2-layer design that produces dramatic optical illusion and prevents condensation
·MICROWAVE SAFE: When you need to clean, use a microwave oven to quickly reheat the coffee and then throw it into the dishwasher; microwave and dishwasher safety cup
· 2-layer design produces dramatic optical illusion and prevents condensation
· Safe for dishwashers and microwaves; not for metal appliances
· Certified non-frustrating packaging