The Chi Chaga double walled 450ml. glass infuser is perfect to enjoy your hot or cold drinks on the go. The tumbler is an eco friendly BPA Free glass bottle with a bamboo lid, that can be used over and over again. The beautiful doubled walled glass design, allows you to drink hot liquids without burning your hands. This tea infuser bottle has many uses as it can hold water, tea, coffee, smoothies, warm foods and much more (infuser can be easily removed to cater for this). The Chaga2GO glass infuser is a practical, eco friendly, sleek and stylish solution for people on the go.