To use this watch bracelet, simply attach it to your 42mm - 49mm Apple Watch Series 1 through 9 or Ultra. The two - presser clasp makes it easy to put on and take off. When wearing, make sure the clasp is securely fastened. As for maintenance, keep it away from harsh chemicals and extreme temperatures. You can clean it gently with a soft, dry cloth to keep it looking shiny. Remember, the watch face is not included, so you'll need to purchase it separately.