1.Durable material: It is made of high quality low elastic silk fabric and super bright reflective silver stripe. It is tight in line, light and breathable in moisture absorption, and comfortable to wear. The reflective strip is not only bright and reflective, but also durable and waterproof, with all-round security protection. 2.Velcro design: With a durable Velcro design that fits snugly on the arms and legs and has long-lasting stretch, the wristband can be worn on any clothing in any season, and the reflective band is impressively elastic and stretchy for most people. 3.Adjustable and comfortable design: Reflective running gear is suitable for most people, regardless of gender or age. It is easy to slip on and off and fully adjustable because it has a 4 carabiner and is made of comfortable and durable material. 4.Package includes: 1PC reflective strap and 4PCS wrist and ankle straps; The super bright reflective silver stripe on the reflective vest provides 800 ft /360 degree visibility, keeping you safe at night, in the dark, rainy and foggy. 5.Ideal for night running, hiking, biking, hiking, hiking, hiking, hiking, hiking, walking dogs, exploring, patrolling, working outdoors, or any dark setting, it's for keeping you and others safe.