Yes, they work and basically do what they say, but the price is extremely high compared to the value proposition. The magnets aren't impressive and there's a storage pouch which isn't really needed and will most likely be thrown away. Remember they are sized to fit holes leading to metal and are not reduced with aftermarket layers. I bought 7 of these for all my Sprinter windows and they are $700 for everything. Being a relatively small market I wasn't expecting to find them at a reduced price but my general opinion is that what I bought was closer to $400 - they just aren't impressive. If like me you have access to textile machines you can make them for a fraction of the price but it will cost you time which I didn't have. We priced the parts for all 7 windows at $128. I have decided to leave them but I assume there is a cheaper alternative elsewhere.
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