UNIVERSAL ADJUSTABLE FIT: This retractable windscreen sun shade for Alfa Romeo Stelvio 2017-2020 features a fully customizable width (24.8 to 49.61 inches) and length (max 42.52 inches). The innovative dual-panel slide system ensures a seamless, tailored fit across 99% of vehicle types, including compact cars, saloons, SUVs, and commercial vehicles without leaving any gaps. SMOOTH JAM-FREE RETRACTION: Engineered with a heavy-duty precision shaft design, our automatic roll up sunshade guarantees an ultra-smooth pulling experience every time. The internal spring mechanism prevents twisting or jamming, allowing you to deploy or retract the front windscreen heat reflector effortlessly within seconds. UPF 50+ MAXIMUM UV BLOCKING: Upgraded with high-density thermal insulation fabric and a reflective outer layer, this upf 50 plus automotive sun shield blocks 99% of destructive UV rays. It effectively reflects blinding sunlight to maintain a cool, comfortable cabin temperature and prevent your dashboard and leather seats from cracking or fading. EFFORTLESS HOOK-ON INSTALLATION: Designed for daily convenience, this adjustable width car window blinds front securely mounts to the bottom of the windscreen via heavy-duty suction cups. To block the sun, simply pull up the shade and clip the top rings directly onto your vehicle's built-in sun visors—no drilling or messy adhesives required. DISCREET & SLEEK INTERIOR VIEW: Once installed, the ultra-slim profile sits flat against the lower dash, ensuring a completely unobstructed driving view. The premium black-and-silver minimalist aesthetic offers a clean front interior view while providing total privacy and sun protection whenever your vehicle is parked under the sun.