Super Bright: The LED warning vest has super bright LED lights and a reflective tape that allows you to be visible from a distance of 600 feet and are safety. Comfortable: This reflective running belt is made of high quality materials. It is skin friendly, comfortable and freely adjustable and suitable for men, women and children. 8 Lights & 3 Modes: This running vest has two sides with bright 4 LED strips with light, so you can be seen 360 degrees. Both sides of the LEDs have three modes: steady on, fast flash, slow flash. You can freely choose your preferred working mode. Lightweight and Versatile : With four adjustable buckles and an elastic strap, Led safety vest can be easily worn over a t shirt, sport equipment, winter coat or any kind of clothing at any time of year. Improve your safety when running, cycling,motorcycling, jogging, playing children, steering traffic and much more. Size: Length: 30cmx43cm/11.81inchx16.93inch adjustable. Waist circumference: 70cmx100cm/27.56inchx39.37inch adjustable Specification: Features: Rechargeable Charging Type: USB Package Includes: 1 Vest 1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.