Features: Material: The reflective vests are made of comfortable, elastic polyester, simple design, easy to wear Lightweight Design: Made of lightweight materials for easy movement and comfort during exercise. HIGHLY REFLECTIVE VEST: with 360 reflectivity and visibility, our vests are set to be seen in all weather conditions, both day and night. ADJUSTABLE SIZE FOR SNUG FIT: The vests are fully adjustable and breathable to fit small, medium or large body frames. MULTI-USE AND EASY TO USE: Robust and reliable safety equipment that fits most of your needs and perfect for the whole family. The vests come with buckles and elastic band so they don't move around your body while you use them. They are made of knitted mesh fabric that is easy to wash. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Strap size: 4 cm Material: Polyester {xjxj}