[Highly material]: The Elastic Reflective Armbands is made of comfortable elastic fabric and reflective material. Designed to last, the fabric is ultra light and dries very quickly. The armbands can be machine washed for cleaning. [Highly reflective]: 360 reflective armband with visibility, whether you walk or run at night or In low light conditions, wearing reflective armbands can help you be seen. [Safe and comfortable]: Elastic Reflective Armbands are made of elastic material. Stay in place and do not interfere with the movements of the body, always visible when wearing your highly visible and highly reflective armbands, the obvious reflective effect allows you to be quickly spotted in the dark. [Multifunctional application]: set of 10 Elastic Reflective Armbands, suitable for running ,cycling,climbing,jogging,hiking,patrolling,etc.You can also velcro two or more bands together for the safety of larger objects. [Easy to Wear]:Flexible and Elastic Reflective Armbands comfortable with velcro, about 4x35cm, fit most ankles or arms perfectly. Can also be attached to bags, bikes or any other items you own. Elastic and lightweight design allows easy fit over clothes outdoor.