This reflective vest is made of a high-grade nylon elastic belt & high-lighting reflective cloth. Lightweight, functional and comfortable. It can be worn over any type of clothing for use and perfect for summertime as well as winter and cold conditions. It is extremely reflective at night, offering 360° visibility. Be easily seen from 500 yards away. Strongly enhance your safety while running, walking your dog or during highway emergencies. This safety vest with elastic straps and 4 adjustable buckles for easy size adjustments. Doesn't move around when performing activities. The size can be fit for men, women and kids. Easy to put on and take off. The high visibility reflective vest belt is great for kinds of outdoor activities, such as running, walking, cycling, motorcycling, skateboarding, skiing, horse riding, dog-walking, kids play or traffic working at night. What's in the box 1 x reflective vest