For sale: travel trailers - hybrid / muskegon, mi description: a single slide travel trailer, the 2015 Rockwood Roo comes with a kitchen that has a refrigerator, stove, double sinks, microwave and a dinette with bench seating next to a large sofa with a view of the swing arm television. The bathroom contains a shower, toilet and sink. Completing the floor plan are queen beds at each end of the trailer. Features: fresh water tank capacity: 36 black water tank capacity: 30 grey water tank capacity: 30 ac specifications: hitch weight capacity: 674