General to fit patio chair size up to 32 (W)x35 (D). Made of 600D polyester canvas complex with waterproof backing. Tough enough to keep rain, hail, snow, dust, leaves and bird droppings away. Well-made structured air vent at the back keep ventilation, prevent the cover from being blown away, also keep your furniture dry and in good condition. Plastic clips & heavy duty elastic draw cords secured to outdoor chair leg, especially during high winds and severe weather. Full coverage design avoids the exposure of furniture in the sun makes your chairs always look like new.