Material: borosilicate capacity: 150 ml (5-6 colors optional) 300 ml (8-10 optional)     500 ml (8-10 colors optional) Note: You need to leave a message to the customer service for the payment of the specified color. If you do not specify it, we will send it to you by mixing matched colors!
\ Our product is made of heat-resistant and high temperature resistant borosilicate glass with high strength and brightness. It does not contain heavy metals such as lead in healthy and environment-friendly and can be heated by microwave oven and open flame,-About 30 degrees to 150 degrees instant temperature difference without cracking