These dining chair covers are made of polyester and spandex blend velvet fabrics, soft, comfortable and durableOur chair covers adopts the full-cover design, and the thick elastic band sewn at the bottom can cover your chairs in whole tightly. Protect your dining chair from daily stains, wear and tear, as well as scratches and bites from children and pets, allowing your chair to avoid concerns of wear and peelingBack height: Back Height: 18-24inch (45-60cm), Back Width: 14-19inch (35cm-48cm), Seat Length: 15-18inch (38-45cm), Seat Width: 15-18inch (38-45cm),Seat Thickness: 1.5-4inch (4cm-10cm). Please measure before orderingThese Seat covers for chairs can machine washable with cold water, gentle cycle, do not bleach, do not iron. Tumble Dry Low