New and Improved! Big Foot Aluminum Fish House and Trailer Ski's from Road Dog Outdoor Products. Take your fish house or utility trailer almost anywhere with these aircraft grade aluminum high density "super slick" polyethelene ski's. Just roll on and slip on the back brace. Super easy to move! These Fish house or trailer ski's are 12" Wide x 48" Long . A flat shipping fee of $30 for each pair.