Abstract: A hinged structure comprising two substantially cylindrical supports (13, 14) and one or more hinges (11, 12) hinging the supports together so that they are parallel and closely adjacent, wherein the hinge comprises two members (1, 2) each made of resiliently flexible strip material, each member being S-shaped, passing partially round each support and together with the other member forming a letter script letter X or figure 8 configuration as seen in a direction along the supports, respective means (5, 6; 9, 10) being provided fastening together the ends of the members alongside each support so that the members are tensioned round the supports.