3 Reasons to Buy Two Cling-Style Car Window Shades
They are cheap and functional Cling-style shades cost under $10 and block sun effectively for kids in the back seat.
Buy two so you cover both back windows One shade per rear window means no squinting or complaining from either side.
You can install them once and forget them No hardware, no adjustments. Stick them on and they stay until you peel them off.