That's what I thought it was. Looks the same around the bilge too. Unfortunately the trim switch on the throttle was finicky. It would go down but the "up" toggle was intermittent. There is a button labeled "trailer" that would make the trim go up. Quick google search says this could be a result of dirty connections on the trim limit switch on the outdrive.Looks like a fiberglass liner for the storage bay. Floor itself looks like carpeted plywood. Usually if the floor is completely fiberglass it is not carpeted and has a snap-in carpet