Not only is this Crystal Glass Tea Infuser Bottle beautiful it is also functional, you can enjoy your favourite loose leaf or foraged tea item on the go. The bottle is made of high quality borosilicate glass which is durable and resistant. (Not dishwasher proof). The stainless steel infuser is removable making it easy to clean and refill with your favourite tea. Glass will get quite hot so best to use the neoprene cover provided. If the tea strainer is removed it can also be used for your morning smoothie or water etc. The Crystal Glass Bottle is topped with a rose gold cap which screws on securely to prevent leaks and spills. The Black Onyx stones in the bottle provide a beautiful and calming aesthetic. Black Onyx is called a stone of sorcerers, it enables balance of the soul and body. The stones are securely held in place in the bottom of the bottle and add a lovely touch to the overall design. BPA free - handy neoprene cover - 500mls - removable infuser