Techion 2 Pack Reflective Fabric Wristbands with Reflective Strips for Cycling/Biking/Walking/Jogging/Running Gear and Outdoor Sports (Wristband) Dual reflective strips design enhances visibility in weak light or nights. Durable hook and loop features easy fastening Durable,Lightweight and Soft-comfortable to wear Circumference: Adjustable 6 to 9-3/4 inches or best wrist fitness; Band width: 1.6 inches High Visibility- Be seen by car driver over 500 feet away.Keep your safety when you go out for exercise, like cycling, running, etc.