Material: Made of comfortable elastic fabric and reflective material, the reflective strip is all-round reflective, comfortable and adjustable Size: The unstretched length is 35 cm/13.8 inches, it can be stretched to 50 cm/19.7 inches, and the reflective wristband width is 5 cm/2 inches, which is suitable for most people after stretching. Design: There are 2 cm reflective strips and velcro. The reflective strips reflect in all directions to help you be spotted at night. The adjustable wrist strap is easy to fix and release the velcro Easy to use: Just adjust the Velcro to easily fix it on the ankle, upper arm or wrist Application: Running armbands can be used as wristbands, armbands, leg bands, sports accessories, running equipment, suitable for running, jogging, biking, walking, motorcycle riding, horse riding, hiking, dog walking or anything at night or in the morning Product description Specification: Unstretched length: 35 cm/13.8 inches (stretched to 50 cm/19.7 inches) Color: Fluorescent Green Quantity: 4 pieces Features: 1. Using comfortable stretch fabric and reflective material, the reflective strip is all-round reflective, comfortable and adjustable 2. If you go for a walk or run at night or under low light conditions, then wearing reflective tape can help you be seen 3. Reflective running armbands provide you with more safety when walking, biking, hiking or jogging in the dark or at night 4. Suitable for running, jogging, biking, walking, motorcycle, horse riding, hiking, dog walking, etc. Package includes: 4 pieces of X reflective running armband