1.Package Information: you will receive 2 pieces car auxiliary mirrors in the package, each of the mirror is approx. 7.48 x 4.84 inches/ 19 x 12.3 cm in size; This car auxiliary mirror is suitable for large vehicles such as SUV, trailers, RVs, trucks and trailers, etc.; It is not suitable for small car rear view mirrors, can install rear view mirrors from 6 inches to 11.5 inch tall. Please check the size of the car auxiliary mirror carefully before purchasing to avoid inappropriate fit 2.Hardwearing material: these black towing mirrors are made of ABS material and glass; The ABS material is quality and solid, not easy to deform and has a long time; The glass is clear, which can provide you with a nice vision 3.Adjustable Design: the clamp on car auxiliary mirror is adjustable, it has a rubber strap for easy adjustment; The rubber strap has anti slip function, the correct use of the rubber strap can fix the rearview mirror in the correct position, maintain stability and reduce vibration; Note that since this product is an auxiliary mirror, it cannot be equivalent to the original rearview mirror, so shaking during high speed driving cannot be avoided 4.Easy to Install: the car's auxiliary rearview mirror has a simple use method, there are no tools required; It features an adjustable rubber straps to securely fit over the side mirror; When the strap is installed, adjust it to the most suitable length and tighten it, and then buckle it; Clamp on car auxiliary mirror is no right or left distinction between; It is suitable for both left and right sides