security: Strong reflection, bright colors, very obvious in dark places and daytime, safe and secure High Visibility: 1.5cm wide reflective strip, ensuring 360 degree visibility, 300m reflection distance Comfortable and lightweight: Light weight, Easy to adjust, Fit, 99.9% of people can wear, small size, easy to carry Universal size: Belt Circumference: 70-130cm, shoulder strap height (from waist to shoulder): 35-65cm, Can be adjusted and used for adults and children A wide range of applications: Outdoor safety gear for all outdoor activities such as running, walking, cycling, Can be worn comfortably over sports and outdoor clothing, it is an ideal multi-functional reflective garment