Washable and removable office chair coverSize of Best Suitable Chair: S Size [chair back height 45 56 cm available] M Size [chair back height 57 65 cm available] L Size [seat back 70 80 cm available] Elastic Range S M L The Back of Chair High Length 50 58CM 62 69CM 70 78CM The Back of Chair Wide length 45 55CM 45 55CM 50 60CM The Back of Chair Depth Length 10CM Within 5 15CM 10 20CM The Cover of Chair High length 40 48CM 42 52CM 45 55CM The Cover of Chair Wide Length 45 55CM 45 55CM 50 60CM