Product Sway. Description Versatile swaying perches and stools for the home, office and public spaces. Eye catching impromptu seats, great for the children or in the garden. Materials Polyethylene and Polyurethane. Dimensions 340mm, 500mm & 665mm high. All 210mm diameter Colours White, black, red, pink, orange, yellow, green, pale blue, dark blue. Design date 2004.