Custom cover fits all DuroMax XP8500, XP10000E, XP4000WGE generators. Will fit generators with or without handles and wheel kit. Nylon outside, moisture barrier on the inside. . 30 in. W x 22 in. D x 22. 5 H. Durable nylon cover protects your generator from the damaging effects of the UV rays of the sun, long term exposure to rain and moisture, abrasive dirt and grime, helps insulate it from scratches while keeping your generator looking new for the years to come.