Stretch spandex fabric fits XL size chair perfectly ,soft breathable and dust-proof, easy to install and washable chair cover suitable for large thick dining chair covers,chair back height: stretch 21-27" chair back width: stretch 13-18", chair seat length: stretch 15-19",chair seat width: stretch 13 -19",hope you measure size of the chair before place order this chair slipcover fit for most of high back dining chair,it is used for hotel banquet wedding party restaurant dining room kitchen office home dining chair covers can prevent pets scratching the chair, make the old chair and damaged chair surface looks new and beautiful.enjoy the warmth of home and life