my friend has a similar one, he said that even if you try to scratch it, the white marks themselves will disappear after a while. When I bought it, I decided to check it, scratched it a little with a screwdriver, there were small white marks left, the next day they really didn’t seem to exist, so I’m very pleased. Has pros: very nice smooth surface, rubber backing, non-slip, big enough to comfortably accommodate both keyboard and mouse, can't be seriously damaged (read comment) Different cons: after a while, threads will begin to stick out of the rim, but there is nothing critical in this
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