Big Oversized Office Chair Slipover Twill Swivel Computer Chair Cover Black M Polyester Material: 65% polyester, 32% cotton, 3% spandex Size: S, chair back's height 50-59cm, chair back's width 45-55cm, chair seat width 40-48cm, chair seat length 45-55cm; M, chair back's height 61-68cm, chair back's width 45-55cm, chair seat width 42-52cm, chair seat length 45-55cm; L, chair back's height 69-77cm, chair back's width 50-60cm, chair seat width 45-55cm, chair seat length 50-60cm Easy to apply, protect your chair from scratches,stains Machine Washable Note: chair is not included