Banquet Cover Size & Pack Options - Fit chair width 18.1 inches /46cm and Chair Overall Height: 32.7"-36.6"/ 83-93 cm. Chair seat width 15.3-18.1 inch (39-46cm) and chair seat height: 15"-16.5"/ 38-42 cm. Pls kindly measure before ordering. Choose from 30, 50, 100, or 150 packs to suit your event size. Our stretchable spandex dinner chair covers are designed to fit most standard banquet chairs without armrest in standard size, including metal, plastic, and wooden chairs. Perfect for weddings, parties, banquets, and events decor! Durable & Washable Chair Cover: Those chair covers are constructed from a blend of 85% polyester and 15% spandex, whiches are durable, wrinkle-resistant, luxuriously soft, and remarkably flexible.