This is a pair of square blind spot mirrors to help with rear vision. Circular and rectangular mirrors are also available. They are suitable for cars, vans, trucks and SUVs and can be fitted vertically or horizontally. They are made from HD Glass (IP65), which is waterproof and resistant to rust. The real glass will not haze and is in a curved design to give maximum vision. The ultra-thin mirrors are mounted on fully adjustable brackets that swivel so that the mirror can be adjusted a full 360 degrees. They can be installed in seconds using the double-sided adhesive tape.