Straps adjust better and last longer than straps used on other brands. Will not obstruct your existing mirror. Newly designed arms extends approx. 11-1/2", almost 4-1/2" wider than regular clip-on mirrors. A new larger mirror head allows for horizontal or vertical adjustments. This mirror will even fit many large motorhome mirrors. Easily installed or removed. Fits right or left side and does not obstruct existing mirrors.