Our glass bottles are made of high borosilicate glass (or soda-lime glass), which meets food-grade safety standards (such as FDA, LFGB), and does not contain harmful substances such as bisphenol A (BPA), plasticizers, etc., and is safe for food and beverages. 

Food-grade silicone sealing ring is used, and there is no leakage in the inverted test. It is recommended to wear a protective cover when going out to avoid collisions. 

Support mass customization (such as corporate gifts), you need to provide a design draft and confirm the MOQ, please contact customer service for details.