The crystal chamber has a removable lid. You can change the gemstones according to your preference. The crystal chamber is completely separated from the water chamber, so it can prevent pollution. You can add your own gemstones to the transparent quartz in the crystal chamber.
*Sheath: These unique felt sheaths are perfectly designed for easy carrying and can protect your baby bottle from scratches and are non-slip and not easy to drop.
Compared with "ordinary" glass used by most water bottle manufacturers, borosilicate glass has thermal shock resistance. This means you can safely use ice water and hot water. It is non-toxic, lead-free, and has no chemical reaction, so it has no taste. It is very suitable for pure and unpolluted water. Compared with stainless steel bottles or plastic bottles, you can feel and taste the difference!