Material: 85% polyester + 15% spandex. Stretchable, soft and comfortable. Size compatibility: Fits chair back height approx 7080 cm (27.5531.49 in), chair back width approx 4558 cm (17.7122.83 in), chair seat length approx 4558 cm (17.7122.83 in), chair seat width approx 4560 cm (17.7123.62 in). Please measure before ordering. Dust protection: Dustproof cover helps protect your chair and keep it looking . Easy care: Machine washable; easycare elastic fabric provides a snug, quickfit. Key benefits: Protects chairs from dust, wear and stains to extend chair life Stretchable fabric for a secure fit Simple installation and removal for everyday use Use scenarios: Dining room chairs at home to shield against spills and scuffs during family meals Office or desk chairs to maintain a tidy look and prolong chair life Hospitality, cafe, or event chairs to present a uniform, clean appearance and simplify chair maintenance