Bought these for my car while auto camping so can't speak for effectiveness against snow. It definitely darkens the front and rear windows. It does move in strong winds though, so I'd suggest buying some extra rare earth magnets to keep it in more places.
SuperJump Trampoline with SuperJump 8ft (244 cm) net and ladder
29 Review
ORCISH 12V 13000-lb Load Capacity Electric Truck Winch Kit π with Synthetic Rope - Waterproof Off Road Winch for Jeep, Truck, SUV
35 Review
Cordiant Road Runner 195/65 R15 91H summer
24 Review
Nokian Tires Nordman RS2 SUV 225/60 R18 104R winter
32 Review