... have 2 seats 3.LLDPE plastic,friendly-environment seesaw and swings equipment,the memory of a happy childhood~~ brand name ... casting;4.durable,fastness, beautiful,environmentally-friendly and funny;5.anti-static and anti-ultraviolet component, color permanence;6.no ... have passed the ISO9000: 2000 international quality system certification, and the China Compulsory Certification (CCC certification).