Adjustable strap: specially designed for ID115PLUS HR fitness tracker, the adjustable strap is suitable for wrist size. The long strap is 120MM, and the short strap is 105mm.DURABLE MATERIAL: The ID115Plus HR replacement watch band is made of high-quality silicone material, which is soft, comfortable and durable. The simple and stylish design complements the look of your ID115PLUS HR watch.Comfortable and Firm: The replacement watch band is equipped with a stainless steel buckle and a watch band holder, which can fix your watch band more firmly and prevent the watch band from separating and falling off. You don't need to worry about the straps falling off when exercising or running.Easy to Replace: Easy to install and remove, the silicone replacement wrist watch comes with four options, you can choose to buy your favorite strap and change the strap for your id115plus hr smart watch at any time.A WATCH LOVER'S FAVORITE: Our new ID115Plus HR smart bracelet wristband is every watch lover's choice. Also, ID115Plus HR Replacement Watch Band must be a perfect gift for friends who are watch lovers.