Decpac handicap wheelchair ramps are constructed from laminated fiberglass. The top surface has a textured non-slip tread and the edges are marked with a caution stripe. The top edge is indicated with a label and has a thick grooved rubber pad to hold at the edge of the step. The rubber grip surface wont scratch or mar your flooring. MP66 has 4 panels and carry handles. Decpac ramps have a 660 lb capacity.