The Adjustable Plyometric Box can be set to 4-heights between 12 and 18-inches high, with a 24 x 24-inch landing platform. The Plyo Box features a non-slip, strong rubber grip platform and (2) adjustable knobs with locking pins. The box is made of durable steel and powder-coated black for a longer-lasting finish. This box is perfect for box jumps, push-ups, dips, step ups, and other plyometric exercises.