Swing King Wooden Swing OllieSwing Single swing Ollie is made from square wooden beams. The swing comes with one swing seat. Including ground anchors Strong, impregnated FSC certified wood that lasts for years. Due to the production process of square wood, the chance of surface cracks is low. This process is more laborious but makes the wood more sustainable. The swing seat is height adjustable. Would you prefer to have two swings? Choose the Olivia. This swing is slightly wider