Sainsburys Homebase sell Rubber doormats that are ideal for what you want, about 10mm thick wth large Hexagonal holes in and little feet all over the bottom that allow a small amount of water to sit under the matting. At £1.99 for a 500mm x 400mm mat you can afford to buy several.
I superglued four together and then cut them to the shape of my double console, has an added advantage of stopping things sliding around too much.
By the way B&Q sell a similar product that can't be Butt joined so easily and costs about twice as much.
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