Universal Fit， suitable for interior or exterior use Increase viewing angles， Reduce Blind Spot for safety Convex wide angle mirror eliminates blind spots Suitable for installation on rearview mirrors and side mirrors Adjustable 360 degrees roration， ideal fit for differents driving position Materials: plastic Diameter: 5 cm Color: Black frame How to use: Clean the rearview mirror Tear off the blind spot's adhesive tape Stick it to the proper place Get the best view position Hold for some time Package Include: 1pair x Mini RearView Mirror