Material: PP, glass, rubber Color: Black What's included in the box? -1 x Trailer mirror extenders Our product advantage -Material: Made of high-quality PP, glass lens, and rubber, durable and sturdy. -Function: Expands your rearview mirror's field of view, allowing you to clearly see your surroundings. -Installation: Attach the rubber strap to your sideview mirror, adjust to the desired length, and tighten. -Adjustment: Features an adjustable design with a 360° spherical swivel. -Compatibility: Suitable for most cars, SUVs, trailers, jeeps, RVs, trucks, and more.