Auto sun shade helps protect the vehicle's interior and prevents cracking of the dashboard. Keeps the car cool during the summer. Folds easily for compact storage. Two black elastic straps help keep sun shade closed and secure. Has double sided silver foil. Appx 23 in high x 58 in long, includes 2 window suction cups. Reflective aluminium foil combined with double layer bubble material makes the cooling effect is more significant.