Tears too easily

I've bought 3 of these - one for our current BBQ and 2 for the previous one. They are cheap, look nice and fit right but they inevitably get long rips in them just from sitting on the BBQ. I think they dry out or otherwise lose their durability and after a year or two, it doesn't take more than just wind blowing across the BBQ for them to tear along the places where they meet the edge of the BBQ. Such a bummer because they are otherwise perfect. I supposed if you keep your BBQ indoors or in incredibly mild climate, they might last longer for you.

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