These linings help keep your room warmer in winter and cooler in summer by trapping an additional layer of insulating air between the window and curtain. The width stated refers to each lining in the pair. One pair of 114cm width linings will fit curtain track/pole size 94-117cm. One pair of 162cm width linings will fit curtain track/pole size 168-182cm. One pair of 214cm width linings will fit curtain track/pole size 182-218cm. Do you need a curtain pole and accessories? Shop here .