Title: Let the sun shine - it's easier than dealing with this thing!!!
Review: What a horrible product. The clips that attach to the top of the window are a fine idea, however they are completely worthless for windows that have any curve (and I believe almost all vehicles have curved windows in the rear seats). Because of this problem, we closed the window and the thing totally bent in half, making it useless when trying to roll the shade down. It's cheaply made and even with the window closed completely, the clips allow air to blow into the vehicle (so it's obviously not a great choice for winter when snow-glare makes shades necessary). I would recommend the white hot sun shades by Munchkin instead. Even though they use suction cups instead of clips, I'm very impressed with them.
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