Silicone Material- Transparent silicone appearance. Silicone head and bottom are with plastic parts. Silicone head and bottom are with magnets. So it can be attached to the collar or hem. Easy to carry. Sturdy Magnetic Ring- This product can grip objects up to 1.27cm thick, which means it can be used in many situations. The smooth contact surface and the unique magnetic design ensure that nothing on this ring will be damaged. Portable- Running clip light is made of silicone, small and easy to carry, wireless light, can be used as a spotlight or emergency light lantern Clear and Bright- The clip is a good running companion. The lights do not work as headlights or flashing lights when used to illuminate jogging paths Wide Use- Suitable for night walks, dog walking, hiking, cycling, fishing, car repair or light repair. . This is very useful when you need to repair a car or light fixtures.