The Inu! is more than just a water bottle. This 500ml bottle is made of high quality glass and is specially designed for stone water lovers. Filled with rock crystal by default, it has an easy-to-open compartment to allow for the change or addition of fine stones as needed. Create your own stone water blend and enjoy revitalising hydration at any time of the day. Compact and stylish, the Inu! is your ideal partner for conscious, personalized hydration.