Island is an element designed to create totally new ways of playing and stimulating movement as a supplement to River (sold separately). Combining Island and Bridge(sold separately) with River gives innumerable options for building landscapes for balance and movement. Made from durable plastic with anti-slip rubber edge. The Island will form the natural center junction or " refuge" . Measures 18.9" x 16.93" x 2.76" . Weight Capacity: 220.5lb.