GREENGUARD gold certified. A tip-proof, durable, play unit built for physical and balance development. On one side it's a rocking boat. Flip it over and it becomes a set of steps. 100 percent plywood, with Mortise & secure fastener construction for exceptional strength and durability. Our exclusive UV finish provides unsurpassed protection. Fully rounded corners and edges for maximum safety. 46-3/4 inches L x 20 inches W x 12 inches. Ready to assemble..S.A.