GP Logistics Folding RV Ladder Model SLD-D7. This 7' folding ladder is in new condition unfolded for use twice. Excellent addition to your RV as it takes up very little space and much more versatile that a 2 or 3 step ladder. Folded dimensions: 3" x 4" x 87" Search the link or the name and model for more details. Cheapest US price for this ladder is $160 USD $100