Features: The reflective can produce the strong reflected light ray to perform the warning function at darkness. Stripe is adjustable, elastic and stretchable, unisex style, one size fits all. Made of polyester material with reflective elastic film, 40mm wide belt with 15mm reflective strip, high visibility at night. The reflective clothing is very simple to wear, with elastic buckles on both sides of the waist, which can be adjusted freely and fit comfortably An essential safety warning belt for running, hiking, jogging, riding, traveling, construction work, and other outdoor exercise at night.