Keeper of Kings Play System is a child-friendly design, making it apt for kids age two through twelve. The structure is comprised of two slides that look beautiful and include a bump wave and 90-degree curve. This gives the Keeper of Kings an elegant and stylish appeal that the children will surely admire. The 3.5-inches diameter steel upright posts are made up of galvanized steel that is painted to your specification of available color. The Keeper of Kings Play System is ADA compliant and follows all guidelines set forth by the ASTM and CPSC. This sturdily built play system, is for commercial use, and includes only the best materials for construction. The Keeper of Kings Play System is a great value that is made in the USA. Request a quote today for a price on shipping.