HanGang Park is both refreshing place and gigantic nature in Seoul where is high-density and high-rise city. Therefore, furniture should be being nature either. Form, size and materials are intended to be a part of nature, but it is recognized clearly to users who want particular information. WPC (Wood Plastic Composite) is selected as a main material which is alternative material for indiscreet logging and good solution for the lack of natural resource. Because of high durability and water-resisting qualities it is suitable for Han riverside flowing over frequently. Moreover, reusability and capacity of anti-insect can promote sustainability.