Snap and Zap Custom Towing Mirror set for 15-18 GMC Yukon, Chevrolet Suburban, Tahoe, Comes with Convex Glass, Easy Clip-on Install-no tools or additional hardware required, No add-on look-blend in nicely to your vehicle design, Extension does not interfere with OE Mirror Glass, Mirrors can be folded Without removing extensions, Includes both Driver and Passenger Side Mirror Extensions, Includes Storage Bag. Mirror glass adjusted manually. Convex Lens. Mirror glass does not have heating capabilities. Mirror has no turn signal. Housing finish is Textured Black.