The silicone case provides enhanced protection for your SG Timer 2, safeguarding it from accidental mechanical damage. It features a special cutout that allows the timer's sound to come through clearly, ensuring no interruption to your training. The open back design enables the magnets to securely attach the timer to any metal surface or easily transfer the belt clip from the U-Grip to the timer, allowing you to attach it directly to your belt. With a variety of color options available, you can choose the perfect match for your gear or environment.