The bottom and lid are stainless steel the bottle is plastic . The crystal chips are stored underneath so that you can use any crystal chips you like when charging your water without having to mix them in your water . The bottom is remove-able so that you can change out the crystal chips in the bottom of this bottle! This design is waterproof however it is hand wash only. The magical aspect of blue kyanite Kyanite ♥ Vivid dreams ♥ Channeling ♥ Altered states ♥ Visualisation ♥ Loyalty ♥ Honesty ♥ Serenity Kyanite is an excellent stone for meditation and attunement. It will not retain negative vibrations or energy, therefore never requiring clearing. Kyanite aligns all chakras and subtle bodies instantly. It provides balance of yin-yang energy and dispels blockages, moving energy gently through the physical body. Kyanite has a calming effect on the whole being, bringing tranquility. It encourages psychic abilities and communication on all levels. It drives away anger, frustration, confusion and stress and helps to provide a capacity for linear and logical thought. Kyanite provides a stimulating energy, encouraging perseverance in and support of activities and situations which would normally reduce one’s strength. It can help when connecting to your spirit guides. Kyanite induces dream recall and can promote healing dreams.