Several styles of Stock Trailers are available in the Travalong® trailer line. There are two main types of stock trailers, the Bumper Hitch and Gooseneck Models, both are available in the Standard and Heavy Weight classifications. Standard and Heavy Weight trailers are available in two styles; the Inside Skin and the Outside Skin design. The Inside Skin has the uprights on the outside with the "skin" , or wall of the trailer, on the inside. An Outside Skin Trailer has the skin or wall of the trailer on the outside of the uprights and features a galvaneal lined interior wall.