Using this bracelet band is super easy. First, just detach your current watch strap and attach this new one using the interchangeable end - pieces that come with it. It fits perfectly on your 38/40/41mm or 42/44/45/49mm Apple Watch® or Samsung Galaxy Watch® with 20mm straps. When it comes to maintenance, you can simply clean it with a soft, damp cloth. Avoid using harsh chemicals as they may damage the silicone and stainless - steel materials. Make sure to dry it thoroughly before re - attaching it to your watch. Enjoy your new stylish and comfortable watch band!