Features:USB Rechargeable: Can be charged by a USB cable for a long term service. No battery replacement required.3 Modes: Fast Flash(press once) /Slow Flash(press twice)/Steady On(press third) available. Button control for easy operation.Waterproof Reflective Strips: High-brightness reflective easy to identify at night. Suitable for various outdoor activities.High Brightness: Features LED strips on both front and back. The visible distance of the reflective vest is up to 300 meters.Elastic Fabric: Stretchable elastic fabric for a more snug fit. With the adjustment buckles it suits both adults and children.Notice:Actual color may be slightly different from the image due to different display and light effect.Please allow 1-3cm deviation due to manual measurement.Description:Elastic band width: 4cmReflective film width: 1.5cmWeight: 145gSuitable for waist circumference: 64-105cmShoulder height: 33-46cmColor/Style: As the picture shown includes: 1 x Vest 1 x Charging Cable"