Space-saving system is available as a traditional gray wall or clear wall, so adults can easily see multiple students climbing on both sides. Clear panels are made of UV-resistant polycarbonate; gray panels are made of a closed-cell, high-grade polymer. All systems are weatherproof and anchor to powder-coated steel posts that mount in ground for stable climbing almost anywhere; install only over fall surfacing rated for a 6' (1.5 m) or 8' (2.5 m) fall height. Includes 120 holds and mounting hardware. Truck delivery.