Blind Spot Elimination: This adjustable blind spot mirror attaches to the existing side mirrors to provide a wider field of view, eliminating dangerous blind spots. Unobstructed Vision: Convex, glass-mirrored surface offers a clear, unobstructed view of vehicles in adjacent lanes for safer lane changes and turns. Universal Fit: Adjustable swivel joints and straps allow for a customised fit on most passenger cars, SUVs, and trucks with side mirrors up to Durable Construction: Constructed from shatter-resistant glass and a weather-resistant plastic housing to withstand extreme temperatures and conditions.