EASY TO USE. Just slip it gently cover the seat. The elastic edge will keep it steady and tucked in.RICH VELVET STRETCH MATERIAL. Office chair covers are made of 92% polyester and 8% spandex velvet fabric. The high stretch, skin friendly, soft and fluffy feeling rich velvet chair slipcover to protect your chair from spills, stains and tearing perfectly.EASY TO CARE. Our office chair covers are machine washable that only requires very little maintenance. Wash in cold water and gentle cycle separately, tumble dry low, do not bleach or iron. Using mild laundry detergent.SPLIT PROTECTIVE SLIPCOVER SET. 1 BACKREST COVER & CHAR SEAT COVER included to protect your computer office chair, rotating chair, desk task chair and other chair which the armrests is not attached to the chair back. Available in different colors design for your choice to fit your home study and office.UNIVERSAL FIT. Office chair slipcovers will fit chair back's height: 15.5~18 inches, chair back's width: 15.5~18.8 inches, chair seat length: 15.5~18.9inches, chair seat width: 15.5~18.9inches inches. Please refer to the measuring guide in pictures to measure your office chair size.