Using this bracelet is easy. Just adjust it to fit your wrist within the 7 - 13 inches (18 - 33 cm) range. Since it's waterproof, you can wear it while swimming or in the rain. To maintain it, simply wipe it with a soft cloth occasionally. Avoid scratching the stainless - steel charms and glass beads. Keep it away from sharp objects. This way, your bracelet will look great and keep helping the environment for a long time.