This alkaline stick works great for making your own alkaline water at home. It is the perfect portable water ionizer for people on the go! Just follow the directions and use purified water. Specifications: Condition: Material: Stainless Steel Color: As Picture Shown Size: Approx. 13.6 * 1.8cm / 5.3 * 0.7in Weight: Approx. 53g How to Use: 1. Before using, put it in a bottle filled with 500ml water and white vinegar with the ratio of 1:1 and shake vigorously for 10 seconds and wait for 15 minutes then empty. 2. Fill bottle, shake about several times, wait about some time, take out the stick and the alkaline water is for you. It is best to drink your ionized water fresh. 3. Use 2 sticks for a bottle of 300~500ml water. Use 4~6 sticks for 600ml bottle water, or more sticks for faster, stronger ionized drinking water. Note: 1. This alkaline water stick has about one year lifespan when it soaks in the water at the first time. 2. It can be cleaned with some little white vinegar together with water. You'd better clean it once a week and replace water once for three days. Package Included: 1 x  Hydrogen Water Stick Features Make Your Own Alkaline Water: Helps to balance water PH value for more alkaline elements and water vitality. Drop into any bottle or to-go container. Main Function of the Product: Breaks down water molecules for better absorption of nutrients and minerals, oxygenating the body and increasing metabolic rate. Safe and Healthy: Alkaline water stick converts regular water into health ionized water, which can remove large amounts of free radicals in the flood and promotes health and prevents illness. Easy to Carry and Store: A simple, convenient and portable device that changes tap water or bottled water into high PH, antioxidant, micro-clustered, oxygenated alkaline drinking water. Easy to Use: Various natural mineral substances are set out which provide body with necessary micro elements, can maintain the water activity, so that the body metabolism is more efficient.