Snap and Zap Custom Towing Mirror set for 2015-2018 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. The mirror glass adjusts manually. Convex Lens. Mirror glass does not have heating capabilities. The mirror has no turn signal. The housing finish is Textured Black.