Unfortunately, it was too big and I couldn't install it. It's unused, but since it's been opened, I'm selling it at a lower price. Please prepare Velcro tape at a 100-yen shop or similar. The image is not a stain; it's the asphalt of the ground reflected. ★RC 1/10 Radio Control Buggy Off-Road Traxxas Nylon Mesh Cover Dustproof Net Sand and Dust Prevention This is a dustproof net to protect the chassis of your radio-controlled car from sand, dust, and small stones.