Purified water leached from ionic silica. Convenient compact size for carrying. *Portable silica water generator You can easily make it just by adding water even (*when you are out). (Product Features) ★ Simply add tap water etc. to the main body with the cartridge attached. *Close the bottle cap tightly. Shake lightly for 20 seconds. Silica slowly dissolves, so please enjoy it after about 15 minutes‼ *Please refer to ③ above as there is no paper instruction manual. (Purification Function) Not only does it leach ionic silica, but it also removes chlorine etc. contained in tap water. You can drink purified water by easily adding water even when you are out. What is ionic silica? A mineral called "silicon dioxide" It is also present in the human body (bones, nails, hair, skin, etc.). It was effective for my nails ⇒. My bare nails ⇒ became beautiful. It seems to appear where you are lacking. This is a trace amount, but it is a necessary component (★because it cannot be produced in the body❌...) It is made by dissolving silica from silica ceramic balls. Silica remains even after boiling. Please remove the cellophane from the set cartridge before using. Although it is new, please understand that it is a product that has been handled by someone before purchasing. In addition, please refrain from purchasing if you are concerned about minor details.