Highly Material:The Elastic Reflective Armband is made of comfortable elastic fabric and reflective material. Built to last, the fabric is ultra lightweight and dries very quickly. The armbands can be machine washed to be cleaned. Highly reflective: 360 reflective and visibility armband, if you are walking or running 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 body movement, always visible when wearing your highly visible and highly reflective armbands, the obvious reflective effect allows you to be quickly spotted. the darkness. Multifunctional application: 2 pack Elastic Reflective Armbands, suitable for running, cycling, climbing, jogging, hiking, patrolling, etc. Easy to Wear: Flexible and comfortable elastic reflective armbands with velcro, about 4x35cm, fits perfectly on most ankles or arms. Can also be attached to bags, bicycles or any other items in your possession. The elastic and lightweight design allows for easy adjustment over outdoor clothing.