Wide viewing angle to prevent accidents.
Flexible movable head - for view adjustment.
Beveled edge design - to differentiate from the normal mirror view.
Ipop Flexible Blind Spot Rectangle Shape Convex Side and Rear View Mirror. One pair of mirrors fitted on both sides, the driving and the non-driving sides. 2" size with universal size - fits all types of car models and side mirrors. Just pull the sticker and fix it on the mirror. Does not spoil the mirror look even if removed later.
It's possible that the product is relatively new or not well-known, or that there simply hasn't been a review posted yet.